çžĺ¨ăGoăŻăćĺž
ăăć¨ćşăŽ10é˛ăŞăăŠăŤăŤĺ ăăŚă8é˛ăăăł16é˛ć´ć°ăŞăăŠăŤăăľăăźăăăŚăăžăă ăăŽă°ăŤăźăăĺŽćăăăăăăŤă2é˛ć´ć°ăŞăăŠăŤăčż˝ĺ ăăăă¨ăććĄăăžăă ăăăăŻăć´ć°ăŞăăŠăŤăŽć°ăăăăŹăăŁăăŻăšă¨ăăŚ0b
ăžăăŻ0B
ăŽĺ˝˘ĺźă§ćäžăăăžăă
ăăăŻăGoăŽă˝ăźăšăłăźăăŤĺăăŚéŁăłčžźăă ăăŽă§ăăă丝ăŤăĺ¤ć´ăé俥ăăăŞăŠăăŚčśłă濥ăăăăăŽĺŚçżä˝é¨ă§ăăă ăăăŻč¨ăŁăŚăăç§ăŻăăă¨ăăăăćšĺ¤ăăłăĄăłăăććĄăŤćčŹăăžăă
ăă¤ăăŞăŞăăŠăŤăŻă揥ăŽăăăŞä¸ťćľăŽč¨čŞăŤăĺĺ¨ăăăăçťĺ ´ăăŚăăžăă
ä¸č¨ăŽăăšăŚăŽăąăźăšăŻăăă¤ăăŞăŞăăŠăŤăŽăăŹăăŁăăŻăšăŤ0b
ăžăăŻ0B
ă使ç¨ăăă¨ăăć
ŁçżăŤč˝ăĄçăăžăăăăăăŻăGoăŤă¨ăŁăŚăăăŞă忍éŠă§čł˘ćăŞé¸ćă§ăăăä¸ĺż
čŚăŞçşćăĺéżăăăăăăŽäťăŽĺčż°ăŽč¨čŞăăćĽăăăă°ăŠăăźăŤéĄäźźć§ăćäžăăžăă
ăăăŻăă§ăŤćŠč˝ăĺŽčŁ ăăĺžă§ăăăçšăŤăă¤ăăŞăŞăăŠăŤăŤé˘éŁăăăăăă8é˛ć§ćăŽĺ¤ć´ăŤé˘äżăăŚăăăŤăăăăăăăăăăŤé˘éŁăăăăă¤ăăŽäťĽĺăŽč°čŤăčŚă¤ăăăă¨ăă§ăăžăăă ăăăă @ griesemerăŽhttps://github.com/golang/go/issues/12711#issuecomment -142338246ăŻăă8é˛ć°ăŽăoăă¨2é˛ć°čĄ¨č¨ăŽăbăăŽä¸ĄćšăGoăŽč¨č¨ă§ăč°čŤăăăăă¨čż°ăšăŚăăžăăăéă稟ăăŤăŻĺĺă§ăŻăăăžăăăă ăăăăç§ăŻăăăč¨čŞăŤăăăťăŠĺç´ăŞăăŽăčż˝ĺ ăăăă¨ăŤĺ寞ăăčŻăč°čŤă¨ăŻčăăŚăăžăăă çšăŤăćčżăžăăžăĺ¤ăăŽč¨čŞăăă¤ăăŞăŞăăŠăŤăŽć§ćăćĄç¨ăăŚăăă¨ăăäşĺŽăčć Žăăă¨ă䝼ĺăŽGoč¨č¨ăŽćąşĺŽăć°ăă茳çšăăć¤č¨ăăĺż čŚăăăăăă§ăă
const (
SOME_MASK = 0b00001111
SOME_FLAG_A = 0b00000001
SOME_FLAG_B = 0b00000010
SOME_FLAG_C = 0b00000100
SOME_FLAG_D = 0b00001000
)
ăăăŻç§ăŤă¨ăŁăŚăăĺ¤ăăŽĺŚçżçľé¨ă§ăăă¨čż°ăšăăăăŤăç§ăŻăă§ăŤăăŽćŠč˝ăĺŽčŁ ăăăăăŽĺ¤ć´ăç¨ćăăŚăăžăă
CL-37502äťć§ďź2é˛ć´ć°ăŞăăŠăŤăŽć§ćăćĺŽăăžă
CL-37503 cmd / compile / internal /
CL-37504 go / scannerďź2é˛ć´ć°ăŞăăŠăŤăăšăăŁăłăăžă
CL-37505 strconvďź2é˛ć´ć°ăŞăăŠăŤăŽč§Łćăăľăăźă
CL-37506ăăšăďźăă¤ăăŞăŞăăŠăŤăŽä˝żç¨ćłă§int_lităćĄĺźľăăžă
ăăăŻäťĽĺăŤĺşăŚăăžăăă ăăăĺąéăăăŤăŻăăŞăăŽéăŽä˝ćĽăĺż čŚă§ăăăăłăłăă¤ăŠă¨äťć§ăŽĺ¤ć´ăŻç°Ąĺă§ăă ăăăăä¸č˛Ťć§ăćăăăĺż čŚăŽăăăŠă¤ăăŠăŞăăăăăăăăžăďźstrconvămath / bigăŞăŠďźă
ăăŽćšĺăŤĺ¤ć´ăĺ ăăĺ ´ĺăăăăŻăăĺžšĺşçă§ăăăäťťćăŽăăźăšăăľăăźăăăĺż čŚăăăăžăă ç§ăŻăăăŤăăŽăžăžĺ寞ăăžăă
@griesemerăŻăăé俥ăăăă¨ăăŚăăĺ¤ć´ăŤăăŁăŚstrconv
ăĺ¤ć´ăăăžăďźç§ăŽç解ă§ăŻăĺŽéăŤăŻăăŽĺ¤ć´ăăľăăźăăăĺż
čŚăăăăžăďźă
@griesemerăă ăăĺ¤ć´ăäťťćăŽăăźăšăăľăăźăăăĺż čŚăăăăăăăă§ăŞăĺ ´ĺăŻĺ¤ć´ăăžăŁăăčĄăăăŞăăă¨ăŤĺćăăžăăă 䝼ĺăŽčŞć¸ăăăăăăŻGo2ăŽčŻăçŽć¨ăŤăŞăăăăŤćăăžăă ăăăŻăäťăŽč¨čŞăŽéçşč ăGoă使ç¨ăăă¨ăăŤćĺž ăăĺŻč˝ć§ăŽăăć§ćă§Go1ă磨ăă ăă§ăă ďźă¤ăžăăBase-2ăŻĺĺăŤä¸čŹçăŞăąăźăšă§ăăăăăăă8é˛ć°ăăăä¸čŹçă§ăăbase-14ăžăăŻwhat-have-youăŻăăăťăŠä¸čŹçă§ăŻăăăžăăăďź
CL https://golang.org/cl/37503ăŻăăăŽĺéĄăŤă¤ăăŚč¨ĺăăŚăăžăă
CL https://golang.org/cl/37504ăŻăăăŽĺéĄăŤă¤ăăŚč¨ĺăăŚăăžăă
CLhttps ďź //golang.org/cl/37502ăŤăăŽĺéĄăč¨čźăăăŚăăžăă
CL https://golang.org/cl/37505ăŻăăăŽĺéĄăŤă¤ăăŚč¨ĺăăŚăăžăă
CLhttps ďź //golang.org/cl/37506ăŻăăŽĺéĄăŤă¤ăăŚč¨ĺăăŚăăžăă
ăăăăç§ăŻăăăč¨čŞăŤăăăťăŠĺç´ăŞăăŽăčż˝ĺ ăăăă¨ăŤĺ寞ăăčŻăč°čŤă¨ăŻčăăŚăăžăăă
ăăăăčż˝ĺ ăăăă¨ăćŻćăăăă¨ăăçšăŤĺźˇĺăŞč°čŤă§ăŻăăăžăăă
ç§čŚă§ăŻăăă¤ăăŞăŞăăŠăŤăăľăăźăăăăă¨ă§goăłăźăăć¸ăäşşă ăŤăŠăŽăăăŞĺŠçšăăăăăăăăăćŁç˘şăŤčŞŹćăăăççąăăťăŻăˇă§ăłăćĄĺźľăăĺż čŚăăăăžăă
ç§ăŻăăăăçšăŤćç¨ă ă¨ăŻćăăžăăă hexăŻăăăăăăŹăăŤăŽćĺłăăćă¤ăŞăăŠăŤăŽăŻăăăŤčŞăżăăăăłăłăăŻăăŞĺ˝˘ĺźă§ăă
ăăŞăăŻă使ç¨äžăăćăăžăăăăăăăŻăăžă誏ĺžĺăăăăžăăă 0xf
ă使ç¨ăăŚăăăăŽĺŽć°ăč¨čż°ăăäťăŽĺŽć°ăăˇăăăăžăă
@EddieRingleăăŽććĄăŻĺşăč°čŤăăăŚăăăăĺăĺ ĽăăăăŚăăžăăă ăłăźăăŹăăĽăźă§ç§ăăĄăăšăă ăăŞăă§ăă ăăă Goăăźă ăŻăĺŽéăŤéčŚăŞä˝ćĽăĺĺăŤčĄăăă¨ăă§ăăžăă
č¨čŞăŤĺç´ăŞćŠč˝ăčż˝ĺ ăăăŽăŻç°Ąĺă§ăăăă¨ăŻčŞ°ăŤă¨ăŁăŚăćăăă§ăă ĺ¤ăăŽäşşăăăŽćŠč˝ăćăă§ăăăă¨ăćăăă§ăďźç§čŞčşŤăăă¤ăăăă弽ăă ăŁăă§ăăăďźă ăăăăăăăŻăă§ăăă¨ăăççąă ăă§ăăăšăă§ăăă¨ăăč°čŤă§ăŻăăăžăăă ăăăăč¨čŞă¸ăŽĺ°ăăăŚĺç´ăŞčż˝ĺ ăŤăŻăéˇćçăŞăłăšăăăăăăžăă ăăăĺăĺ Ľăăă¨ăĺ°ćĽăăăä¸čŹçăŞăĄăŤăăşă ăćă¤ăă¨ăăăăŤéŁăăăŞăăä¸ä˝äşćć§ăçśćăăĺż čŚăăăăžăă
éăă¸ăŁăłăăăĺăŤăäťăŽäşşăŽč¨ăăă¨ăĺž ăŁăŚčŚăŚăżăžăăăă ăăăă¨ăă
no-me-tooăăŞăˇăźăŽăŞăă¤ăłăăźďź https ďź
ĺťşč¨çăŞăłăłăăłăăŽăŞăćčŚăŻăGithubăŽçľľćĺĺĺżă使ç¨ăăŚčĄ¨çžă§ăăžăă
@ALTree
ç§čŚă§ăŻăăă¤ăăŞăŞăăŠăŤăăľăăźăăăăă¨ă§goăłăźăăć¸ăäşşă ăŤăŠăŽăăăŞĺŠçšăăăăăăăăăćŁç˘şăŤčŞŹćăăăççąăăťăŻăˇă§ăłăćĄĺźľăăĺż čŚăăăăžăă
ç§ăŻăăăăçšăŤćç¨ă ă¨ăŻćăăžăăă hexăŻăăăăăăŹăăŤăŽćĺłăă§ăăIMOăćă¤ăŞăăŠăŤăŽĺ ´ĺăăŻăăăŤčŞăżăăăăłăłăăŻăăŞĺ˝˘ĺźă§ăă
ĺŽéăç§ăŻĺ寞ăŽăă¨ă丝埾ăăăă¨ćăăžăă ĺ¤ăăŽĺ ´ĺă16é˛ć°ăŻăăăłăłăăŻăă§ăăăăă¤ăăŞăŞăăŠăŤăŻćŁç˘şăŞăăăăăŹăăŤă襨çžă§ăăăăăĺŻč˝ăŞéăčŞăżăăăăŞăăžăă
@griesemer
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čŹç˝Şă ĺ ă ăŻĺä¸ăŽĺ¤ć´ă§ăăăăGoăăŞăˇăźăŻĺ˝ąéżăĺăăăłăźăăăźăšăŽé ĺăŤĺşăĽăăŚăłăăăăĺĺ˛ăăăă¨ă§ăăăăăŤćăăăăăăćçľçăŤăăăăĺĺ˛ăăžăăă ăăăăĺ¤ć´ăŽăăłăŤăăă§ĺĺĽăŽăłăĄăłăăăăăă¨ăç§ăŻçĽăăžăăă§ăăă ç§ăŻăăăăăŞăăŤăšăă ă¨ĺźăśăťăŠĺˇăăăŻăăăžăăăăç§ăŽčŞçąăŞćéă使ăŁăŚç§ă貝ăăăĺŞĺăéčŚă§ăŞăăă¨ăćĺłăăăăŽă§ăăăăžăăă
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ĺăŤčż°ăšăăăăŤăćąç¨ăŤăźăďźç§ă弽ăďźăŻăć˘ĺăŽďźç´ăăăăďź8é˛ć§ćăŽéć¨ĺĽ¨/ĺé¤ăäżé˛ăăžăăă ç§ăĺžăćčŚăŻăćąç¨ć§ćďźăă¨ăă°ăĺşć°2ăŽĺ ´ĺăŻ2r0010
ăžăăŻ2x0010
ďźăŻăGo2ĺăăŽçşćă§ăăăă¨ăŤăăé大ăŞĺ¤ć´ăćčżăăă¨ăăăăŽă§ăăă
ć˝ĺ¨çăŞGo2ăŻăăŚăăăă_ăăăĺăĺ Ľăăă¨ăĺ°ćĽăăăä¸čŹçăŞăĄăŤăăşă ăćă¤ăă¨ăŻăăăŤĺ°éŁăŤăŞăă§ăăă_ăă¨ăă声ćăŤĺŻžĺŚăăăăăŤďźăăăăŠăŽăăăŤçĺŽă§ăăăăŻăăăăžăăă ăă¤ăăŞăŞăăŠăŤăăŹăăŁăăŻăšăŽčż˝ĺ ăŻă䝣ćżăŽćąç¨ć§ćăçšăŤďź12711ă§čŞŹćăăć§ćă¨ç´äş¤ăăžăďźĺŽéăăăŽć§ćăŻ16é˛ăŞăăŠăŤă¨ç´ćĽçŤśĺăăžăăăăăŽććĄăăăăă¤ăăŞăŞăăŠăŤć§ćă¨ăŻçŤśĺăăžăăďźă ăăăăŻăćąç¨ć§ćăć˘ĺăŽ8é˛ć°ă16é˛ć°ăăăăł10é˛ć°ăŽăŞăăŠăŤă¨ĺăăăăŤä¸Śăă§ĺĺ¨ăăžăă
čŹç˝Şă ĺ ă ăŻĺä¸ăŽĺ¤ć´ă§ăăăăGoăăŞăˇăźăŻĺ˝ąéżăĺăăăłăźăăăźăšăŽé ĺăŤĺşăĽăăŚăłăăăăĺĺ˛ăăăă¨ă§ăăăăăŤćăăăăăăćçľçăŤăăăăĺĺ˛ăăžăăă ăăăăĺ¤ć´ăŽăăłăŤăăă§ĺĺĽăŽăłăĄăłăăăăăă¨ăç§ăŻçĽăăžăăă§ăăă ç§ăŻăăăăăŞăăŤăšăă ă¨ĺźăśăťăŠĺˇăăăŻăăăžăăăăç§ăŽčŞçąăŞćéă使ăŁăŚç§ă貝ăăăĺŞĺăéčŚă§ăŞăăă¨ăćĺłăăăăŽă§ăăăăžăăă
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0b
ć§ćăŻä˝żăć
ŁăăŚăăăŽă§äžżĺŠă§ăăăćŹĺ˝ăŽçŽć¨ăĺăŤăă¤ăăŞăŞăăŠăŤăč¨čŞăŤčż˝ĺ ăăăă¨ă§ăăĺ ´ĺăŻă使ăć
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ćĺžăŤăăăšăŚăŽč¨čŞăŽçŽçďźĺ°ăŞăă¨ăăăăç§ăćăă§ăăăă¨ă§ăďźăăŻăŞăźăłăŞăłăźăăć¸ăăă¨ă§ăăăă¨ăăăăŤčż˝ĺ ăăăă¨ćăăžăă ăăăŚăăăăŻç§ăăĄĺ ¨ĺĄăé˘äżăŞăĺćăăăăŽă ă¨ćăăžăă äťăŽäşşăŽăłăźăă調ăšăă¨ăăă¤ăăŞăŞăăŠăŤĺŽć°ăŽăŞăšăăăăĺ ´ĺăăăăăăăŠă°ă§ăăăă¨ă誏ćăŞăă§ăăăŤćăăăŤăŞăăžăă 16é˛ć°ăžăăŻ8é˛ć°ă使ç¨ăăĺ ´ĺăĺăăă¨ăŻăăăťăŠĺç´ă§ăŻăăăžăăă 䝼ä¸ăŻćŻčźă§ăă
// Hexadecimal
const (
MASK = 0x1E
DEFAULT_COLOR = 0x00
BOLD = 0x01
UNDERLINE = 0x02
FLASHING_TEXT = 0x04
NO_CHANGE = 0x08
)
// Octal
const (
MASK = 036
DEFAULT_COLOR = 00
BOLD = 01
UNDERLINE = 02
FLASHING_TEXT = 04
NO_CHANGE = 010
)
// Binary
const (
MASK = 0b11110
DEFAULT_COLOR = 0b00000
BOLD = 0b00001
UNDERLINE = 0b00010
FLASHING_TEXT = 0b00100
NO_CHANGE = 0b01000
)
ćĺžăŽĺŽć°ăăăŠă°ăŤä˝żç¨ăăăŚăăă¨ăăäşĺŽăčć
Žăăĺż
čŚăŻăŞăă¨ćăăžăă ăăăăé常ăŤĺ°ć°ăŽăăŠă°ă§ăăăăăăăŠă°ăĺ˘ăăă¨ăăăăŻééăăŞăĺ çŽăăăăă¨ăŤćł¨ćăăŚăă ăăă ćĺăŽĺŽć°0x1E
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ĺç §ăăăŚăăC ++ PDFăŻăăľăăźăăŽăăăŤĺčż°ăŽč¨čŞăăăăŤĺç §ăăŚăăžăă ăăă§ăŻă揥ăŤăăăăčŚăŚăżăžăăăă JDKăŽăă¤ăăŞăŞăăŠăŤăŤé˘ăă2009ĺš´ăŽDerekFosterăŤăăďźĺ ăŽďźďźććĄăčŚă¤ăăžăăă ă˝ăźăš
ç§ăĺŽĺ ¨ăŤĺćăăćĺăŽčłŞĺăŻăJDKăŤ8é˛čĄ¨çžăăăăŽăŤăJDKăŤăŻ2é˛čĄ¨çžăăŞăççąă§ăă éĺťć°ĺš´éăç§ăŻčŞĺčŞčşŤăŤčăăăă¨ăŻăăăžăăă§ăăăăăăă8é˛ć°ăŻç§ăŽăłăźăăăăăăăăŤăăă§ăăăďźă ăă ăăăăăŻç§ă䝼ĺăŤčż°ăšăăă¤ăłăă§ăă茪ăăżăăăăćăăžăă ăăăăăăăç§ăŽäťĽĺăŤčż°ăšăçšăŤčż˝ĺ ăăăă¨ă1ă¤ăăăžăă
ăă ăăĺŚçăăăăăźăżăĺşćŹçăŤăăăćĺă§ăăĺ ´ĺăăăăăŽçŻĺ˛ă襨ăăăăŤ16é˛ć°ă使ç¨ăăă¨ăăăă°ăŠăăźăŤă¨ăŁăŚčż˝ĺ ăŽĺ¤ćăĺż čŚăŤăŞăăăăăă¨ăŠăźăŽĺĺ ăŤăŞăăă¨ăăăăăăžăă [...]揥ăŤăăăŽäťć§ăŤăłăźăăŁăłă°ăăăăă°ăŠăăźăŻăăăŽăăăŞĺĺ¤ă2é˛čĄ¨çžăă16é˛ăŤĺ¤ćăăĺż čŚăăăăžăă [...]ăťă¨ăăŠăŽĺ ´ĺăăăă°ăŠăăźăŻé ăŽä¸ă§ăăăăŽçżťč¨łăčĄăăăăžăăăă°ćŁăă翝訳ăăžăă ăă ăăă¨ăŠăźăŻç°ĄĺăŤĺżăłĺŻăĺŻč˝ć§ăăăăçľćăŽĺć¤č¨źăŻé ťçšăŤčĄăăťăŠç°Ąĺă§ăŻăăăžăăă
ăă¤ăăŞă§ăŻăŞăăăźăăŚă§ă˘ă§ä¸ťăŤä˝żç¨ăăă16é˛čĄ¨č¨ă¨8é˛čĄ¨č¨ăŻăäşşçă¨ăŠăźăĺźă辡ăăĺŻč˝ć§ăăăăžăă 䝼ĺăŤčĄăŁăćŻčźă§ăŻă8é˛ć°ă ă¨ćăŁăăăŽăGoogleăŤĺ ĽĺăăŚăčŞĺăŽé ă§ä˝ăăăăă確čŞăăçăă確čŞăăžăăă 2é˛ć°ă§ć¸ăă¨ăăŻčŞĺçăŤčŞĺăŽăąăźăšă確俥ăăžăăă16é˛ć°ă8é˛ć°ă§ć¸ăă¨ăăŻç˘şäżĄăćăŚăžăăă ăăăŚăăăă1ćĽăŤä˝ĺşŚčĄăŁăŚăăé ăŽä¸ă§ăă¤ăăŞĺ˝˘ĺźăčăăĺż čŚăăăăăăăăŚăăéăŤă¨ăŠăźăçşçăăĺŻč˝ć§ăăăăăăăłăźăăć¸ăăŽăéŁăăăŞăăžăă
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ă§ăăDerekFosterăăăĺ°ăăăăĺĽăŽčłŞĺăăăăžăă 8é˛čĄ¨č¨ăŽ0
ăăŹăăŁăăŻăšďźă @griesemerăŻăć°ăăćŠč˝ăĺŽčŁ
ăăă¨ăăŤéăéŁăłčśăăŚăŻăăăŞăă¨ăłăĄăłăăăžăăă
éăă¸ăŁăłăăăĺăŤăäťăŽäşşăŽč¨ăăă¨ăĺž ăŁăŚčŚăŚăżăžăăăă ăăăă¨ăă
ăăăă8é˛čĄ¨č¨ăĺŽčŁ
ăăă¨ăăGoăŻéăéŁăłčśăăŚăăžăăăďź ăăŽĺźć°ăăäťăŽč¨čŞăăăăčĄăăăăă ăŁăĺ ´ĺăăŞăăăŽĺźć°ăăă¤ăăŞăŞăăŠăŤăŤä˝żç¨ă§ăăŞăăŽă§ăăăăă ăăă§ăŞăĺ ´ĺă8é˛čĄ¨č¨ăŽ0
ăăŹăăŁăăŻăšăăäşşă
ă桡䚹ăăăă¨ăăŤč¨čŞăŤçľăżčžźăžăăççąăŻä˝ă§ăăăďź
ă0b1ăăŻ16é˛ć°ăŽă0xB1ăă¨ĺăĺ¤ă襨ăăŚăăă¨čŞ¤č§Łăăăäşşăăăăăăăăžăăă ăă ăăăăŽĺéĄăŻ8é˛ć°/ 10é˛ć°ă§éˇĺš´ĺĺ¨ăăŚăăďźă050ăă¨ă50ăăŽćˇˇĺďźă大ăăŞĺéĄă§ăŻăŞăăăăŤćăăăăă¨ăŤćł¨ćăăŚăă ăăă
ăă¤ăăŞăŞăăŠăŤăŻç§ăăĄĺ ¨ĺĄăé ăŽä¸ă§č¨ĺăăŚăăăăŽă§ăăăăăăă¤ăăŞăŞăăŠăŤăćŻćăăçšăŻăă䝼ä¸ăŞăăăă§ăă ăăŽăăăäťăŽč¨čŞă¸ăŽććĄăŻăăŽăăăŤç°Ąć˝ă§ăăă ăă ăăăăăťăŠčż éăŤăˇăŁăăăăŚăłăăççąăŤăŻăŞăăžăăă
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// Shifts
const (
MASK = 0x1e
DEFAULT_COLOR = 0
BOLD = 1<<0
UNDERLINE = 1<<1
FLASHING_TEXT = 1<<2
NO_CHANGE = 1<<3
)
ďźăăăŚăăăšăŻăŻ0x1eă§ăŻăŞă0xfă§ăăăšăă§ăŻăăăžăăăďźďź
ĺ°ăŞăă¨ăGo1ă§ăŻăăă¤ăăŞĺŽć°ăčż˝ĺ ăăăă¨ăŤăŻĺ°ăĺ寞ă§ăăăGo2ă§ăŻăăăăčż˝ĺ ăăăă¨ăŤăŞăăžăă éăăŽççąăŻăä˝ăăăŽççąă§čŞ°ăăGo 1.8ă§çŤăĄĺžçăăŚăăĺ ´ĺăGo 1.9ăăă¤ăăŞĺŽć°ă§ĺşăŚăăă¨ăăăăŽäşşăŽăłăźăăŽďźć¨ç§ťçăŞďźă¤ăłăăźăăŽ1ă¤ăăă¤ăăŞĺŽć°ă使ç¨ăăŚăăă¨ă彟ăăŻăăŻăGo1.8ă使ç¨ăăăăă¸ă§ăŻăă 彟ăăŻăăłăăźăžăăŻă˘ăăă°ăŹăźăăăĺż čŚăăăăžăă ĺćšäşćć§ăŽăŞăćŠč˝ăčż˝ĺ ăăăŤăŻć確ăŞăłăšăăăăăăăăŽćç¨ć§ă¨ćŻčźć¤č¨ăăĺż čŚăăăăžăă
{2,8,10,16}ăŤăŞăĺşĺ°ăŻĺż čŚăŞăă¨ç§ăŻĺćăăžăă 8é˛ć°ăŽĺ ´ĺăŻçšăŤä¸ĺŽĺŽăŞăăă§ăăGo2ă§8é˛ć°ăĺé¤ăăăăă§ăă
@ randall77ăˇăăăăăăăŤčŚăăăă¨ăŤĺćă
ďźăăăŚăăăšăŻăŻ0x1eă§ăŻăŞă0xfă§ăăăšăă§ăŻăăăžăăăďźďź
MASK
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Go2ă§8é˛ć°ăĺé¤ăăă¨ăăăăŞăăŽçŤĺ ´ăĺżăăćŻćăăžăă
䝼ĺăŽăłăĄăłăăčŞăżç´ăăžăăďźĺ ˇä˝çăŤăŻăăGoăăźă ăŻĺŽéăŤéčŚăŞä˝ćĽăĺĺăŤčĄăăă¨ăă§ăăžăăďźă ç§ăĺŽéăŤč¨ăăă¨ăăŚăăăă¨ăŽăăŞăä¸ĺżŤăŞĺŽĺźĺă§ăăŁăăăŽĺŁ°ćăă芍ăłăăăă¨ćăăžăă ăăă§ăŻăăăä¸ĺşŚčŠŚăăŚăżăžăăăăăăĺ°ă芳ăă誏ćăăäťĺăŻéŠĺăŞăăźăłăčŚă¤ăăŚăă ăăă
ĺĺăŤĺŽč¨źăăăŚăăăĺż čŚăŤĺżăăŚăăăăżă¤ăăŽĺŽčŁ ăäťĺąăăŚăăććĄăŤćčŹăăžăă ă¨ăŻăăăGoăŽććĄăăăťăšăŻćĺłçăŤčť˝éă§ăăăććĄăç解ăăăăăŤčŚćąăžăăŻĺż čŚă§ăŞăéăăććĄč ăčż˝ĺ ăŽä˝ćĽăčĄăĺż čŚăŻăăăžăăă čŚćąăăăŚăăŞăăăăăł/ăžăăŻĺéĄă俎ćŁăăŞăĺ¤ć´ăŞăšăăé俥ăăăă¨ăŻă誰ăăćéăăăăŚăăăăčŚăĺż čŚăăăăăďźĺťśćăžăăŻéăăăăă ăăŽĺ ´ĺďźăéĺšćă§ăă äşĺăŤăłăźăăŽăăăăżă¤ăăä˝ć/ä˝ćăăăĺ ´ĺăŻăäťăŽĺ ´ćă§ĺ¤ć´ăŤăŞăłăŻăăăă¨ăăĺ§ăăăžăďźăă¨ăă°ăăăŠă¤ăăźăGitHubăłăăăďźă ăăăŤăăăGoăăźă ă¨ĺ¤é¨ăŽč˛˘çŽč ăŤé¸ćč˘ăćŽăăžăăĺż čŚăŤĺżăăŚăăŽăłăźăă確čŞăăăăĺŞĺ 庌ăŽéŤăă˘ă¤ăă ăŤçŚçšăĺăăăăăćąşĺŽă§ăăžăă ăăăă¨ăă
@griesemer GotchaăăăăăžăăăăăăŻçăŤăăŞăŁăŚăăžăă Goăăźă ăŻAOSPă¨ĺăăăăŤGerrităćąăŁăŚăăă¨ćăăăăăŤă¤ăăŚčŠąăĺăŁăŚăăéăç§ăŽĺ¤ć´ăăăăŤĺĺ¨ăăĺŻč˝ć§ăăăă¨čăăžăăă ăăGitHubă§ăăŠăłăăŤăŞăłăŻăăăŽăŻă¨ăŤăăćéăăăăăŞăăŽă§ăĺćšăŤăĄăŞăăăăăă¨ćăăžăă :)
ç§ăŽä¸ťăŞçŽć¨ăŻăłăłăă¤ăŠăăăăŻăăăă¨ă ăŁăăŽă§ăç§ăŻĺŽéăŤćĺăŤä˝ćĽăčĄăăžăăă ććĄă¨ăăŚćĺşăăăă¨ăŤăăăŽăŻäşĺžă ăŁăă
@AndreasBackx GoăŽ8é˛ć°ăŽĺ čĄ0ăŤă¤ăăŚăŻă珏151ĺˇă§čŞŹćăăăŚăăžăă ďź12711ăĺç §ăăŚăă ăăă
1ăťăăăăăĺŽć°ăĺŽçžŠăăĺ ´ĺăăˇăăăŻ0b00001000..00
ăăăčŞăżăăăăŞăăžăăăăăŻăăˇăăăăźă¸ă§ăłă§ăŻăăŠăŽăăăăč¨ĺŽăăăŚăăăăç解ăăăăă ăăŤçťé˘ä¸ăŽăźăăŽćăć°ăăĺż
čŚăăŞăăăă§ăă ; ăˇăăĺ¤ăčŞăżĺăă ăă§ăă
0b100000000000000000000000
vs 1 << 23
ĺŽéăŽä˝żç¨ćłăŤé˘ăăéăăä¸čŹçăŞĺŻĺ¤éˇć´ć°ă¨ăłăłăźăćšĺźăŻăăçśăăčŞăăăăăŤä¸ä˝ăăăă使ç¨ăăăă¨ă§ăă gitpackfilesăć˝ĺşăăăăăŤăăă使ç¨ăăŞăăă°ăŞăăžăăă§ăăă ăăžăăžăŞăăźăšăŽä¸ä˝ăăăăć˝ĺşăăăłăźăăŻćŹĄăŽă¨ăăă§ăă
bďź127
bďź0x1f
bďź0177
bďź0b01111111
ĺäşşçăŤăŻăăă¤ăăŞăăźă¸ă§ăłăŽćšăćĺłăăŻăŁăăăăŚăăă¨ćăăžăă
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čŞăăŞăă¨ćăĺ ´ĺăŻăăăŤăăźé˘ć°ă使ç¨ăăŚăă ăă
b & ^(^0 << 7)
b & mask(7)
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ăŻăăăăăăšăŚăŽăźăăć°ăăĺż
čŚăăŞăăăă 0b0001000000000000
ăăăć確ă§ăă 12
ă11
ă¨13
ăŤăăăă iota
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§ăă§ăăăăă16é˛ć°ăŽćšăéŠăăŚăăžăă 10ăäšäšăĺŚăśăŽă¨ĺăăăăŤă65ăŻASCII A
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0664 = 6<<6 + 6<<3 + 4
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...
constexpr uint_fast16_t FLAG_SPECIAL1 {0b0010000000000000};
constexpr uint_fast16_t FLAG_SPECIAL0 {0b0001000000000000};
constexpr uint_fast16_t RANGE_FLAG {0b1111000000000000};
constexpr uint_fast16_t RANGE_FROM {0b0000111111000000};
constexpr uint_fast16_t RANGE_TO {0b0000000000111111};
ăăăŻC ++ 17ăăăŽç§ăŽăłăźăäžă§ăă ăă ăăGoă§ăŻćŹĄăŽăăăŤăŞăăžăă
const FlagSpecial1 uint16 = 8192
const FlagSpecial2 uint16 = 4096
const RangeFlag uint16 = 61440
const RangeFrom uint16 = 4032
const RangeTo uint16 = 63
ăăăă¨ăăšăŻăćąăäşşăŽăăăŤăăŻăŞăźăłă§ăˇăłăăŤăŞăłăźăăć¸ăăŽăŤćŹčłŞçăŤĺ˝šçŤăĄăžăă
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ďźc ++ďźă§č¨ĺŽăăăŚăăăăă
constexpr uint_fast16_t FLAG_SPECIAL0 {0b0001000000000000};
vs
ďźGoďźă§ăŠăŽăăăăč¨ĺŽăăăŚăăă
const FlagSpecial0 = 0x10000
ĺžč ăŽĺ ´ĺăŤăŽăżăăăŤăăăăŽăŻç§ă ăă§ăŻăŞăă§ăăăă
0b00 ..ă˘ăăăźăă使ç¨ăăă¨ă16é˛ć°ăçĽăăŞăăŚăăăă確čŞă§ăăžăă uint16ăŽăŞăšăăĺ¤ăă¨ăčŞăżăăăăŞăăžăă ăľă¤ăşăăŞăšăăăăŚăăăŽă§ăăťăăăăăă13ăŽä˝ç˝ŽăŤăăăă¨ăç解ăăăă¨ăŻăăăŞăăä¸ăăäžă§ăŻă16é˛ć°ă使ç¨ăăăăăç°Ąĺă§ăă 1<<13
ă16é˛ć°ăăăăŻăăăŤĺŞăăŚăăă ăă§ăŞăăĺ¤ăć¤ç´˘ăăĺż
čŚăăăăžăăăĺ¤ă確čŞăăă ăă§ăăŠăŽăăăăăżăźă˛ăăăŤăŞăŁăŚăăăăçĽăăă¨ăă§ăăžăă ăă ăăçŻĺ˛ăžăăŻč¤ć°ăŽăťăăăăăăŽĺ ´ĺăŻăăă¤ăăŞăŞăăŠăŤă使ç¨ăăćšăç°ĄĺăŞĺ ´ĺăăăăžăă
61440
ăăăŞĺžăŽăąăźăšăčŚăă¨ăăăăŤăăăă¨ćăăžăăăă¤ăăŞăŞăăŠăŤăăăăĺ°ć°ă使ç¨ăăŚč¨ĺŽăăăŚăăăăăăçĽăćšăç°Ąĺă ă¨ćăăžăăă誰ăăăăăčŚăăăă§ăŻăăăžăăă
ăăăă10é˛ć°ă§0xfe0ăžăăŻ4064ă§ăă0b0000111111000000
ăăăŞäťăŽăąăźăšăçĄčŚăăă ăă§ăă ç§ăŽćčŚă§ăŻăăă¤ăăŞăŞăăŠăŤă使ç¨ăăă¨ăăăŻăŞăźăłăŤăŞăăžăă 16ăăăăŽćšă大ăăă§ăăăăă¤ăăčŚăŚăă ăăă
0b11101010
vs 0xea
ă ä˝ăăżăźă˛ăăăŤăŞăŁăŚăăăŽăăčăăĺż
čŚăŻăăăžăăăčŚăă°ăăăŤăăăăžăă
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16é˛ćłă¨ăăăăˇăăăŻăăšăŚç§ăŽăăăŤďźăăăŚ8é˛ăăĄă¤ăŤăŽăăźăăăˇă§ăłăďźčĄăăžăăăCă§ăŽăăăćä˝ăŽĺŚçżăŻ2é˛ć´ć°ăŞăăŠăŤăŽćšăç°Ąĺă ăŁăăŽă§ăŻăŞăăă¨ćăăžăă ä¸č¨ăŽäžăăă¤ăăŞă§ăŠăŽăăăŤčŚăăăă弽ăă§ăă ăăśăç§ăŻăăăĺ°ăăŞăăšăŻăĺ°ăăŞăăšăŻăŽăˇăăăŤä˝żăă§ăăăă
x := y & (0b101 << 8)
ďźçˇ¨éďźăăčŻăGoăŽćšćłăŻx := y & 0b101<<8
ďź
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ă ăăăŤăăăăăä¸č˛Ťć§ăŽăăĺşć°čĺĽĺăŽăťăăăĺŻč˝ăŤăŞăăGoăŽć§ćă¨ăăă°ăŠăăźăŽćĺž
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ăăăăăăčŞä˝ă§ăŻăăă¤ăăŞććĄăŻăžă 䞥ĺ¤ăăăăžăă
base
ă0ăŽĺ ´ĺă strconv.ParseInt
ăŻ0b010
ć§ćăăľăăźăăăžăăďź
@nathanyăŻăăč¨čŞă§0băăŹăăŁăăŻăšăăľăăźăăăăă¨ăŤăăĺ ´ĺăŻăăŠă¤ăăŠăŞă§ăăľăăźăăăĺż čŚăăăăžăă ăă¨ăă°ăăłăłăă¤ăŠăŻçžĺ¨ămath / big.IntăŽSetStringăĄă˝ăăăŤäžĺăăŚĺŽć°ăŞăăŠăŤăbig.IntsăŤĺ¤ćăăžăăăăăăŁăŚăSetStringďźăăăłstrconv.ParseIntăŞăŠăŽĺäşşďźă0băç解ăăăă¨ăćĺž ăăăžăă
ăăăăăăăťăŠćç˝ă§ăŻăŞăăŽăŻăăăăďź28493ă¨ä¸çˇăŤĺăĺ
Ľăăĺ ´ĺăParseIntă_
ăťăăŹăźăżăźăăăŁăŤăżăŞăłă°ăăĺż
čŚăăăăăŠăăă§ăă ĺĺĽăŽăăšďź _
ăăŠăă§ă ` ) but for error handling (e.g.; do we allow
_`ăŤç˝ŽăćăăăăŠăăďźă¨ăăŚç°Ąĺă§ăăăParseIntďźăăăłć°ĺ¤ç¨ăŽäťăŽăăšăŚăŽParseXXXăŤăźăăłďźă§ĺŚçăăĺż
čŚăăăăăăŠăźăăłăšďźă
0o
8é˛ăŞăăŠăŤăŤă¤ăăŚăŻăĺĽăŽććĄ/ĺéĄăăăăšăă§ăăăăăă¨ăăăă¨ä¸çˇăŤäżçŽĄăăćšăăăă§ăăăăďź
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ă弽ăççąăŽ1ă¤ăŻă "012"
ăăŚăźăśăźĺ
Ľĺă§ăăĺŻč˝ć§ăăăstrconv.ParseInt("012", 0, 64)
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常ăŤĺşć°10ă使ç¨ăăGoăŤăŻăăăŠăŤăăŽĺźć°ăăŞăăăăăăă°ăŠăăźăŻć示çăŤć´žçăăăăăŤčŚćąăăĺż
čŚăăăăžăăĺşć°ăŤ0ăćĺŽăăăă¨ăŤăăăćĺĺăăŹăăŁăăŻăšăăĺşć°ă
解ćä¸ăŽćĺĺă§_
ă使ç¨ăăĺż
čŚăăăŁăă¨ăŻč¨ăăžăăă 確ăăŤăăžăćç˝ă§ăŻăăăžăăă
@nathanyĺĽăŽĺéĄăććĄăăžăă 0b
ă訹ĺŻăăăă¨ăŤăăĺ ´ĺăä¸č˛Ťć§ăäżă¤ăăăŤ0o
ă訹ĺŻăăăŽăçăŤăăŞăŁăŚăăăăăăăŞăăă¨ăŤĺćăăžăďźăăăŚăgofmtăŤ0
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ĺ
ăŽčłŞĺăŤĺżçăăŞăăŁăăŽă§ăăšăŹăăĺ
¨ä˝ăăăä¸ĺşŚčŞăă§ăăšăŹăăăŽççąă確čŞăăžăă
茪ćăçŤăŚăăŽăă¨ăŚăĺ¤ăăŽă§ăč°čŤăŻăťă¨ăăŠăăăžăăă
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base16ă¸ăŽĺ¤ćă
0b11101010寞0xeaă ä˝ăăżăźă˛ăăăŤăŞăŁăŚăăăŽăăčăăĺż čŚăŻăăăžăăă
ăăŞăăčŚăŚăăăŤăăăçĽăŁăŚăăžăă
_ćĺăŽä¸ä˝ăăăă3çŞçŽăŽä¸ä˝ăăăăăăăł5çŞçŽăŽä¸ä˝ăăăăŻăŞăă§ăăăćŽăăŽăăăăŻăŞăă§ăŻăăăžăăă ăăăŚă[ăăăăŽçˇć°ă2ĺăŤăŚăłăăăŚăć°ăćŁăăăă¨ă確čŞăă] 8ă¤ăăăžăă
ĺč¨ăăăć°ă_
ç§ăŻăăżăźăłăä˝ă§ăăăăçĽăŁăŚăăžăăăăăŚç§ăŻăăăăăăăć°ç§éčŚăăŚăăă§ăăăă ăăŽçĽčăŻăŠăă§ăă
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ăăă¤ăăŽč°čŤăŻăăăăăćĺłăăăŤă彟ăăŽĺŠçă誤ăŁăŚäźăăŚăăžăă ăŽ1ă¤ăŽçšĺŽăŽäžă§ăŻ
ăăŽăšăŹăăă§ăŻăgoă¨c ++ăćŻčźăă揥ăŽăšăăăăăć稿ăăăžăăă
constexpr uint_fast16_t FLAG_SPECIAL1 {0b0010000000000000};
constexpr uint_fast16_t FLAG_SPECIAL0 {0b0001000000000000};
constexpr uint_fast16_t RANGE_FLAG {0b1111000000000000};
constexpr uint_fast16_t RANGE_FROM {0b0000111111000000};
constexpr uint_fast16_t RANGE_TO {0b0000000000111111};
This is my code example from C++17. In Go however, it will look like this:
const FlagSpecial1 uint16 = 8192
const FlagSpecial2 uint16 = 4096
const RangeFlag uint16 = 61440
const RangeFrom uint16 = 4032
const RangeTo uint16 = 63
ĺéĄăŻăGoăăăŠăźăăăăăăŚăăŞăă¨ăăŤC ++ăç´°ĺżăŽćł¨ćăćăŁăŚčŞżć´ăăă const
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const (
FlagSpecial1 uint16 = 0x2000
FlagSpecial2 uint16 = 0x1000
RangeFlag uint16 = 0xf000
RangeFrom uint16 = 0x0fc0
RangeTo uint16 = 0x003f
)
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ĺ¤ć´https://golang.org/cl/152338ăŻăăŽĺéĄăŤč¨ĺăăŚăăžăďź spec: add binary integer literals (tentative)
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ĺ¤ć´https://golang.org/cl/152377ăŻăăŽĺéĄăŤč¨ĺăăŚăăžăďź spec: permit underscores for grouping in numeric literals (tentative)
çäźźäšąć°ă0xff & (i ^ 0xab)
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ĺ ´ĺăŻăčŞăżăăăăŞăăžăă GoăŤăă¤ăăŞăŞăăŠăŤăăŞăăććĄăăăŞăăă¨ăŤéŠăăŚăăžă...
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ĺ¤ć´https://golang.org/cl/157677ăŻăăŽĺéĄăŤč¨ĺăăŚăăžăďź cmd/compile: accept new Go2 number literals
ĺ¤ć´https://golang.org/cl/159997ăŻăăŽĺéĄăŤč¨ĺăăŚăăžăďź go/scanner: accept new Go2 number literals
ĺ¤ć´https://golang.org/cl/160018ăŻăăŽĺéĄăŤč¨ĺăăŚăăžăďź cmd/gofmt: test that Go 2 number literals can be formatted
ĺ¤ć´https://golang.org/cl/160239ăŻăăŽĺéĄăŤč¨ĺăăŚăăžăďź go/constant: accept new Go2 number literals
ĺ¤ć´https://golang.org/cl/160240ăŻăăŽĺéĄăŤč¨ĺăăŚăăžăďź go/types: add tests for new Go 2 number literals
ĺ¤ć´https://golang.org/cl/160247ăŻăăŽĺéĄăŤč¨ĺăăŚăăžăďź fmt: scan new number syntax
ĺ¤ć´https://golang.org/cl/160250ăŻăăŽĺéĄăŤč¨ĺăăŚăăžăďź math/big: add %#b and %O integer formats
ĺ¤ć´https://golang.org/cl/160248ăŻăăŽĺéĄăŤč¨ĺăăŚăăžăďź text/template: accept new number syntax
ĺ¤ć´https://golang.org/cl/160246ăŻăăŽĺéĄăŤč¨ĺăăŚăăžăďź fmt: format 0b, 0o prefixes in %#b and %O
ĺ¤ć´https://golang.org/cl/160244ăŻăăŽĺéĄăŤč¨ĺăăŚăăžăďź strconv: add 0b, 0o integer prefixes in ParseInt, ParseUint
ĺ¤ć´https://golang.org/cl/160184ăŻăăŽĺéĄăŤč¨ĺăăŚăăžăďź cmd/gofmt: normalize number prefixes and exponents
ĺ¤ć´https://golang.org/cl/160478ăŻăăŽĺéĄăŤč¨ĺăăŚăăžăďź design/19308-number-literals: add note about gofmt
ĺżľăŽăăăăăă°ć稿blog.golang.org/go2-here-we-comeă§ăăăăăŽGo2é˘éŁăŽč¨čŞĺ¤ć´ăŽć°ăăăăăťăšăç´šäťăăžăăă ććĄăćŤĺŽçăŤĺăĺ Ľăăăľă¤ăŻăŤăŽéĺ§ćăŤĺĺ°ăĺ¤ć´ăăăăă使ç¨ăăçľé¨ăçŠăżă3ăćĺžăŽĺçľćăŤćçľçăŞĺăĺ ĽăćąşĺŽăčĄăăžăă Go 1.13ăŽĺ ´ĺăăăăŻăăăŞăźă2ćăŤéăăă¨ăăŤĺ¤ć´ăçé¸ăăă5ćăŤăăŞăźăăăŞăźăşăăă¨ăăŤćçľćąşĺŽăčĄăăă¨ăćĺłăăžăă
Go 1.13ăŽăăŽććĄăćŤĺŽçăŤĺăĺ ĽăăăăŞăźăéăăă¨ăăŤăăŽĺŽčŁ ăéĺ§ăăäşĺŽă§ăă ăćŤĺŽćżčŞăăŽçşčĄçść ăŻăććĄ-ćżčŞć¸ăżă¨ăăźăŻăăăžăăăéăăăžăžăŤăŞăăGoăŞăŞăźăšďźăăă§ăŻGo1.13ďźăŤăă¤ăŤăšăăźăłăăăžăă ăăŞăźăşćăŤĺéĄăĺć¤č¨ăăćçľçăŤĺăĺ Ľăăăăĺ ´ĺăŻăŻăăźăşăăžăă
ĺ¤ć´https://golang.org/cl/161098ăŻăăŽĺéĄăŤč¨ĺăăŚăăžăďź spec: document new Go2 number literals
ĺ¤ć´https://golang.org/cl/161199ăŻăăŽĺéĄăŤč¨ĺăăŚăăžăďź text/scanner: accept new Go2 number literals
ĺ¤ć´https://golang.org/cl/163079ăŻăăŽĺéĄăŤč¨ĺăăŚăăžăďź text/scanner: don't liberally consume (invalid) floats or underbars
ĺ¤ć´https://golang.org/cl/173663ăŻăăŽĺéĄăŤč¨ĺăăŚăăžăďź unicode/utf8: use binary literals
ĺ¤ć´https://golang.org/cl/174897ăŻăăŽĺéĄăŤč¨ĺăăŚăăžăďź cmd/compile: disable Go1.13 language features for -lang=go1.12 and below
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Go 2çŞĺˇăŽćĺéăăŽĺ¤ć´ăŤé˘ăăăăŁăźăăăăŻăŻé常ăŤčŻĺŽçă§ăăăĺŚĺŽçăŞćčŚăŻăťă¨ăăŠăăăžăăă ăăăăŽĺ¤ć´ăŤăăăč¨čŞăŤĺ¤§ăăŞč¤éăăĺ ăăăă¨ăŞăăGoăŽć°ĺ¤ăŞăăŠăŤć§ćăćć°ĺăăăłčŞżĺăăăžăă3ă¤ăŽä¸čŹçăŞ10é˛ć°äťĽĺ¤ăŽć°ĺ¤ăăźăšăŤçľąä¸ăăăăăŹăăŁăăŻăščĄ¨č¨ăăăăäťăŽćć°ăŽăăă°ăŠăăłă°č¨čŞă§ä˝żç¨ăăăŚăă襨č¨ă¨ä¸č´ăăžăă 16é˛ćľŽĺĺ°ć°çšăŞăăŠăŤăŽĺ°ĺ ĽăŻăć°ĺ¤ăłăźăăŤé˘ĺżăćă¤äşşă ăŽĺéĄçšăŤĺŻžĺŚăăžăă ćĽĺ°žčžăiăăäťťćăŽďźéčć°ďźăŞăăŠăŤă¨ă¨ăăŤä˝żç¨ăăŚăĺä¸ăŞćšćłă§čć°ĺŽć°ăä˝ćă§ăăăăăŤăŞăăžăăă ăăăŚćĺžăŤăă˘ăłăăźăšăłă˘ă使ç¨ăăŚăăăéˇăăŞăăŠăŤăć°ĺăŽă°ăŤăźăăŤĺĺ˛ăăčŞăżăăăăĺä¸ăăăăă¨ăă§ăăžăă
Go1.13ăŽććĄăćżčŞăăăžăăă ĺ¤ć´ăĺć ăăăăăăçľäşăăžăă
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ĺ¤ć´https://golang.org/cl/189718ăŻăăŽĺéĄăŤč¨ĺăăŚăăžăďź compiler: support new numeric literal syntax
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