diff options
Diffstat (limited to 'stdlib/scanf.mli')
| -rw-r--r-- | stdlib/scanf.mli | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/stdlib/scanf.mli b/stdlib/scanf.mli index 0d558da7c8..37b1da1ddc 100644 --- a/stdlib/scanf.mli +++ b/stdlib/scanf.mli @@ -230,16 +230,18 @@ val bscanf : Scanning.scanbuf -> ('a, 'b, 'c, 'd) scanner;; input function [ri] must therefore have type [Scanning.scanbuf -> 'a] and the argument read has type ['a]. - [\{ fmt %\}]: reads a format string argument. - The format string read must have the same type as [fmt]. + The format string read must have the same type as the format string + specification [fmt]. For instance, ["%\{%i%\}"] reads any format string that can read a value of type [int]; hence [Scanf.sscanf "fmt:\\\"number is %u\\\"" "fmt:%\{%i%\}"] succeeds and returns the format string ["number is %u"]. - [\( fmt %\)]: scanning format substitution. Reads a format string to replace [fmt]. - The format string read must have the same type as [fmt]. + The format string read must have the same type as the format string + specification [fmt]. For instance, ["%\( %i% \)"] reads any format string that can read a value of type [int]; hence [Scanf.sscanf "\\\"%4d\\\"1234.00" "%\(%i%\)"] - succeeds and returns the format string ["number is %u"]. + is equivalent to [Scanf.sscanf "1234.00" "%4d"]. - [l]: returns the number of lines read so far. - [n]: returns the number of characters read so far. - [N] or [L]: returns the number of tokens read so far. |