zig/test/incremental/add_decl

#target=x86_64-linux
#update=initial version
#file=main.zig
const std = @import("std");
pub fn main() !void {
    try std.io.getStdOut().writeAll(foo);
}
const foo = "good morning\n";
#expect_stdout="good morning\n"

#update=add new declaration
#file=main.zig
const std = @import("std");
pub fn main() !void {
    try std.io.getStdOut().writeAll(foo);
}
const foo = "good morning\n";
const bar = "good evening\n";
#expect_stdout="good morning\n"

#update=reference new declaration
#file=main.zig
const std = @import("std");
pub fn main() !void {
    try std.io.getStdOut().writeAll(bar);
}
const foo = "good morning\n";
const bar = "good evening\n";
#expect_stdout="good evening\n"

#update=reference missing declaration
#file=main.zig
const std = @import("std");
pub fn main() !void {
    try std.io.getStdOut().writeAll(qux);
}
const foo = "good morning\n";
const bar = "good evening\n";
#expect_error=ignored

#update=add missing declaration
#file=main.zig
const std = @import("std");
pub fn main() !void {
    try std.io.getStdOut().writeAll(qux);
}
const foo = "good morning\n";
const bar = "good evening\n";
const qux = "good night\n";
#expect_stdout="good night\n"

#update=remove unused declarations
#file=main.zig
const std = @import("std");
pub fn main() !void {
    try std.io.getStdOut().writeAll(qux);
}
const qux = "good night\n";
#expect_stdout="good night\n"