In Rust one can initialize a struct member from an identically-named
local variable by simply mentioning the member name in the
initializer, like:
let x = 0;
let y = Struct { x };
This initializes "Struct::x" from "x".
This patch adds this form of initializer to the Rust expression parser
and adds a test.
Tested on x86-64 Fedora 26 using rustc 1.23.
2018-03-19 Tom Tromey <tom@tromey.com>
* rust-exp.y (struct_expr_tail, struct_expr_list): Add plain
"IDENT" production.
2018-03-19 Tom Tromey <tom@tromey.com>
* gdb.rust/simple.rs (main): Add local variables field1, field2,
y0.
* gdb.rust/simple.exp: Test bare identifier form of struct
initializer.
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