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Make { || ... } sugar for any type of closure, inferred

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This commit is contained in:
Niko Matsakis 2011-12-20 11:03:21 -08:00
parent 1e4de33374
commit 6a90140941
21 changed files with 392 additions and 242 deletions
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7
src/comp/syntax/ast.rs
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@ -42,7 +42,7 @@ tag def {
def_use(def_id);
def_native_ty(def_id);
def_native_fn(def_id, purity);
def_upvar(def_id, @def, /* writable */bool);
def_upvar(def_id, @def, node_id); // node_id == expr_fn or expr_fn_block
}
// The set of meta_items that define the compilation environment of the crate,
@ -227,6 +227,7 @@ tag expr_ {
expr_do_while(blk, @expr);
expr_alt(@expr, [arm]);
expr_fn(_fn, @capture_clause);
expr_fn_block(fn_decl, blk);
expr_block(blk);
/*
@ -261,10 +262,6 @@ tag expr_ {
expr_mac(mac);
}
// AST nodes that represent a capture clause, which is used to declare
// variables that are copied or moved explicitly into the closure. In some
// cases, local variables can also be copied implicitly into the closure if
// they are used in the closure body.
type capture_item = {
id: int,
name: ident, // Currently, can only capture a local var.