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Merge pull request #5107 from konqoro/patch-6

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strscans: Fix examples
This commit is contained in:
Andreas Rumpf 2016-12-06 23:41:56 +01:00 • committed by GitHub
commit 8e5f513192
1 changed files with 3 additions and 3 deletions
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lib/pure/strscans.nim
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@ -76,7 +76,7 @@ to a variable (that was passed to the ``scanf`` macro) while ``$[]`` merely
optional tokens. optional tokens.
In this example, we define a helper proc ``skipSep`` that skips some separators In this example, we define a helper proc ``someSep`` that skips some separators
which we then use in our scanf pattern to help us in the matching process: which we then use in our scanf pattern to help us in the matching process:
.. code-block:: nim .. code-block:: nim
@ -86,14 +86,14 @@ which we then use in our scanf pattern to help us in the matching process:
result = 0 result = 0
while input[start+result] in seps: inc result while input[start+result] in seps: inc result
if scanf(input, "$w${someSep}$w", key, value): if scanf(input, "$w$[someSep]$w", key, value):
... ...
It also possible to pass arguments to a user definable matcher: It also possible to pass arguments to a user definable matcher:
.. code-block:: nim .. code-block:: nim
proc ndigits(input: string; start: int; intVal: var int; n: int): int = proc ndigits(input: string; intVal: var int; start: int; n: int): int =
# matches exactly ``n`` digits. Matchers need to return 0 if nothing # matches exactly ``n`` digits. Matchers need to return 0 if nothing
# matched or otherwise the number of processed chars. # matched or otherwise the number of processed chars.
var x = 0 var x = 0