Function calculate [src]

Calculate the hash value for a name

Prototype

pub fn calculate(name: []const u8) u32

Parameters

name: []const u8

Example

 test calculate {
    try std.testing.expectEqual(0x00001505, calculate(""));
    try std.testing.expectEqual(0x156b2bb8, calculate("printf"));
    try std.testing.expectEqual(0x7c967e3f, calculate("exit"));
    try std.testing.expectEqual(0xbac212a0, calculate("syscall"));
    try std.testing.expectEqual(0x8ae9f18e, calculate("flapenguin.me"));
}

Source

  pub fn calculate(name: []const u8) u32 {
    var hash: u32 = 5381;

    for (name) |char| {
        hash = (hash << 5) +% hash +% char;
    }

    return hash;
}  