diff options
| author | Robert Griesemer <gri@golang.org> | 2013-06-21 13:14:06 -0700 |
|---|---|---|
| committer | Robert Griesemer <gri@golang.org> | 2013-06-21 13:14:06 -0700 |
| commit | bf6db7e05f81fb4478e5089cb00e8da78d68e0a7 (patch) | |
| tree | e0795026db7eb8159da60dbd86daa1e87b0706f6 /src/pkg/go/ast | |
| parent | 154d89110ad6f852106c21573b5f33fc900a2696 (diff) | |
| download | go-bf6db7e05f81fb4478e5089cb00e8da78d68e0a7.tar.gz | |
go/*: support for slices with cap: s[:j:k] and s[i:j:k]
Experimental, per rsc's proposal.
R=rsc
CC=golang-dev
https://codereview.appspot.com/10204043
Diffstat (limited to 'src/pkg/go/ast')
| -rw-r--r-- | src/pkg/go/ast/ast.go | 1 | ||||
| -rw-r--r-- | src/pkg/go/ast/walk.go | 3 |
2 files changed, 4 insertions, 0 deletions
diff --git a/src/pkg/go/ast/ast.go b/src/pkg/go/ast/ast.go index e75df8250..c68f94d17 100644 --- a/src/pkg/go/ast/ast.go +++ b/src/pkg/go/ast/ast.go @@ -297,6 +297,7 @@ type ( Lbrack token.Pos // position of "[" Low Expr // begin of slice range; or nil High Expr // end of slice range; or nil + Max Expr // maximum capacity of slice; or nil Rbrack token.Pos // position of "]" } diff --git a/src/pkg/go/ast/walk.go b/src/pkg/go/ast/walk.go index fef2503c3..fedffb3f2 100644 --- a/src/pkg/go/ast/walk.go +++ b/src/pkg/go/ast/walk.go @@ -122,6 +122,9 @@ func Walk(v Visitor, node Node) { if n.High != nil { Walk(v, n.High) } + if n.Max != nil { + Walk(v, n.Max) + } case *TypeAssertExpr: Walk(v, n.X) |