31 lines
1.1 KiB
Rust
31 lines
1.1 KiB
Rust
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#[allow(non_implicitly_copyable_typarams)];
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extern mod syntax;
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use syntax::ext::base::ext_ctxt;
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fn syntax_extension(ext_cx: @ext_ctxt) {
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let e_toks : ~[syntax::ast::token_tree] = quote_tokens!(1 + 2);
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let p_toks : ~[syntax::ast::token_tree] = quote_tokens!((x, 1 .. 4, *));
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let a: @syntax::ast::expr = quote_expr!(1 + 2);
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let _b: Option<@syntax::ast::item> = quote_item!( const foo : int = $e_toks; );
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let _c: @syntax::ast::pat = quote_pat!( (x, 1 .. 4, *) );
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let _d: @syntax::ast::stmt = quote_stmt!( let x = $a; );
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let _e: @syntax::ast::expr = quote_expr!( match foo { $p_toks => 10 } );
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}
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fn main() {
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}
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