New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

bitCast to and from array #421

Closed

andrewrk opened this issue Aug 18, 2017 · 1 comment

Labels

Milestone

Member

andrewrk commented Aug 18, 2017 •

edited

const assert = @import("std").debug.assert;

test "bitCast to array" {
    comptime testBitCastArray();
    testBitCastArray();
}

fn testBitCastArray() void {
    assert(extractOne64(0x0123456789abcdef0123456789abcdef) == 0x0123456789abcdef);
}

fn extractOne64(a: u128) u64 {
    const x = @bitCast([2]u64, a);
    return x[1];
}

andrewrk added the enhancement label

andrewrk added this to the 0.2.0 milestone

Sponsor Contributor

thejoshwolfe commented Aug 18, 2017

endianness is relevant here.

andrewrk modified the milestones: 0.2.0, 0.3.0

andrewrk modified the milestones: 0.3.0, 0.4.0

tgschultz mentioned this issue

@bitCast to struct to an array #1821

Closed

emekoi mentioned this issue

@sliceToBytes should work on single-item pointers to arrays #1905

Closed

andrewrk closed this as completed in

2fe8a08

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment