zig/test/incremental/change_struct_same_fields
2025-07-07 22:43:53 -07:00

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//#target=x86_64-linux-selfhosted
#target=x86_64-linux-cbe
#target=x86_64-windows-cbe
#target=wasm32-wasi-selfhosted
#update=initial version
#file=main.zig
const S = extern struct { x: u8, y: u8 };
pub fn main() !void {
const val: S = .{ .x = 100, .y = 200 };
try foo(&val);
}
fn foo(val: *const S) !void {
var stdout_writer = std.fs.File.stdout().writerStreaming(&.{});
try stdout_writer.interface.print(
"{d} {d}\n",
.{ val.x, val.y },
);
}
const std = @import("std");
#expect_stdout="100 200\n"
#update=change struct layout
#file=main.zig
const S = extern struct { x: u32, y: u32 };
pub fn main() !void {
const val: S = .{ .x = 100, .y = 200 };
try foo(&val);
}
fn foo(val: *const S) !void {
var stdout_writer = std.fs.File.stdout().writerStreaming(&.{});
try stdout_writer.interface.print(
"{d} {d}\n",
.{ val.x, val.y },
);
}
const std = @import("std");
#expect_stdout="100 200\n"
#update=change values
#file=main.zig
const S = extern struct { x: u32, y: u32 };
pub fn main() !void {
const val: S = .{ .x = 1234, .y = 5678 };
try foo(&val);
}
fn foo(val: *const S) !void {
var stdout_writer = std.fs.File.stdout().writerStreaming(&.{});
try stdout_writer.interface.print(
"{d} {d}\n",
.{ val.x, val.y },
);
}
const std = @import("std");
#expect_stdout="1234 5678\n"