Zig 0.17.0-dev (Split by item)

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isValidIdentifier

Returns true if the str is a valid C identifier for use in a #define/#undef macro

cli.isValidIdentifier

pub fn isValidIdentifier(str: []const u8) bool

File

lib/compiler/resinator/cli.zig:1281

Code

pub fn isValidIdentifier(str: []const u8) bool {
    for (str, 0..) |c, i| switch (c) {
        '0'...'9' => if (i == 0) return false,
        'a'...'z', 'A'...'Z', '_' => {},
        else => return false,
    };
    return true;
}