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Rename isNilOrWhitespace to isEmptyOrWhitespace and make it use allCharsInSet (#13258)

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* Rename isNilOrWhitespace to isEmptyOrWhitespace

* Make isEmptyOrWhitespace use allCharsInSet(Whitespace)
This commit is contained in:
hlaaftana
2020-01-26 16:02:07 +03:00
committed by Andreas Rumpf
parent 6900da314c
commit e7744b0909
1 changed files with 13 additions and 10 deletions
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23
lib/pure/strutils.nim
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@@ -2849,13 +2849,16 @@ iterator tokenize*(s: string, seps: set[char] = Whitespace): tuple[
break
i = j
proc isEmptyOrWhitespace*(s: string): bool {.noSideEffect, procvar, rtl,
extern: "nsuIsEmptyOrWhitespace".} =
## Checks if `s` is empty or consists entirely of whitespace characters.
result = s.allCharsInSet(Whitespace)
proc isNilOrWhitespace*(s: string): bool {.noSideEffect, procvar, rtl,
extern: "nsuIsNilOrWhitespace".} =
## Checks if `s` is nil or consists entirely of whitespace characters.
result = true
for c in s:
if not c.isSpaceAscii():
return false
extern: "nsuIsNilOrWhitespace",
deprecated: "use isEmptyOrWhitespace instead".} =
## Alias for isEmptyOrWhitespace
result = isEmptyOrWhitespace(s)
when isMainModule:
proc nonStaticTests =
@@ -2981,10 +2984,10 @@ when isMainModule:
doAssert isSpaceAscii('\l')
doAssert(not isSpaceAscii('A'))
doAssert(isNilOrWhitespace(""))
doAssert(isNilOrWhitespace(" "))
doAssert(isNilOrWhitespace("\t\l \v\r\f"))
doAssert(not isNilOrWhitespace("ABc \td"))
doAssert(isEmptyOrWhitespace(""))
doAssert(isEmptyOrWhitespace(" "))
doAssert(isEmptyOrWhitespace("\t\l \v\r\f"))
doAssert(not isEmptyOrWhitespace("ABc \td"))
doAssert isLowerAscii('a')
doAssert isLowerAscii('z')