parseNum

Function parameters

Parameters

text:[]const u8

Type definitions in this namespace

Types

Range

Functions in this namespace

Functions

order
parse
format

Source

Implementation

fn parseNum(text: []const u8) error{ InvalidVersion, Overflow }!usize {
    // Leading zeroes are not allowed.
    if (text.len > 1 and text[0] == '0') return error.InvalidVersion;

    return std.fmt.parseUnsigned(usize, text, 10) catch |err| switch (err) {
        error.InvalidCharacter => return error.InvalidVersion,
        error.Overflow => return error.Overflow,
    };
}