mirrors/Nim
1
0
Fork 0
mirror of https://github.com/nim-lang/Nim.git synced 2026-07-19 07:21:19 +00:00
Code Issues Packages Projects Releases Wiki Activity

strutils: document parseEnum [ci skip]

Browse Source
This commit is contained in:
narimiran
2019-02-25 11:33:18 +01:00
parent 68a82f100e
commit 2074ad1416
1 changed files with 23 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
lib/pure/strutils.nim
View File

@@ -1173,6 +1173,18 @@ proc parseEnum*[T: enum](s: string): T =
##
## Raises ``ValueError`` for an invalid value in `s`. The comparison is
## done in a style insensitive way.
runnableExamples:
type
MyEnum = enum
first = "1st",
second,
third = "3rd"
doAssert parseEnum[MyEnum]("1_st") == first
doAssert parseEnum[MyEnum]("second") == second
doAssertRaises(ValueError):
echo parseEnum[MyEnum]("third")
for e in low(T)..high(T):
if cmpIgnoreStyle(s, $e) == 0:
return e
@@ -1183,6 +1195,17 @@ proc parseEnum*[T: enum](s: string, default: T): T =
##
## Uses `default` for an invalid value in `s`. The comparison is done in a
## style insensitive way.
runnableExamples:
type
MyEnum = enum
first = "1st",
second,
third = "3rd"
doAssert parseEnum[MyEnum]("1_st") == first
doAssert parseEnum[MyEnum]("second") == second
doAssert parseEnum[MyEnum]("last", third) == third
for e in low(T)..high(T):
if cmpIgnoreStyle(s, $e) == 0:
return e