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Add parseUInt and parseBiggestUInt functions to stdlib (parseutils, strutils)

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This commit is contained in:
Anatoly Galiulin 2016-03-30 17:34:41 +06:00
commit 9aa845c6b6
3 changed files with 80 additions and 0 deletions
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18
lib/pure/strutils.nim
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@ -560,6 +560,24 @@ proc parseBiggestInt*(s: string): BiggestInt {.noSideEffect, procvar,
if L != s.len or L == 0:
raise newException(ValueError, "invalid integer: " & s)
proc parseUInt*(s: string): uint {.noSideEffect, procvar,
rtl, extern: "nsuParseUInt".} =
## Parses a decimal unsigned integer value contained in `s`.
##
## If `s` is not a valid integer, `ValueError` is raised.
var L = parseutils.parseUInt(s, result, 0)
if L != s.len or L == 0:
raise newException(ValueError, "invalid unsigned integer: " & s)
proc parseBiggestUInt*(s: string): uint64 {.noSideEffect, procvar,
rtl, extern: "nsuParseBiggestUInt".} =
## Parses a decimal unsigned integer value contained in `s`.
##
## If `s` is not a valid integer, `ValueError` is raised.
var L = parseutils.parseBiggestUInt(s, result, 0)
if L != s.len or L == 0:
raise newException(ValueError, "invalid unsigned integer: " & s)
proc parseFloat*(s: string): float {.noSideEffect, procvar,
rtl, extern: "nsuParseFloat".} =
## Parses a decimal floating point value contained in `s`. If `s` is not