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Function std.encoding.index
Returns the array index at which the (n+1)th code point begins.
ptrdiff_t index(E)
(
const(E)[] s,
int n
);
The input to this function MUST be validly encoded. This is enforced by the function's in-contract.
Supersedes
This function supersedes std.utf.toUTFindex().
Standards
Unicode 5.0, ASCII, ISO-8859-1, ISO-8859-2, WINDOWS-1250, WINDOWS-1251, WINDOWS-1252
Parameters
Name | Description |
---|---|
s | the string to be counted |
n | the current code point index |
Example
writeln(index("\u20AC100", 1)); // 3
writeln(index("hällo", 2)); // 3
Authors
Janice Caron
License
Copyright © 1999-2022 by the D Language Foundation | Page generated by ddox.