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 // \$G \$F.go && \$L \$F.\$A && ./\$A.out // Copyright 2009 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main const a_const = 0 const ( pi = /* the usual */ 3.14159265358979323; e = 2.718281828; mask1 int = 1 << iota; mask2 = 1 << iota; mask3 = 1 << iota; mask4 = 1 << iota; ) type ( Empty interface {}; Point struct { x, y int; }; Point2 Point ) func (p *Point) Initialize(x, y int) *Point { p.x, p.y = x, y; return p; } func (p *Point) Distance() int { return p.x * p.x + p.y * p.y; } var ( x1 int; x2 int; u, v, w float ) func foo() {} func min(x, y int) int { if x < y { return x; } return y; } func swap(x, y int) (u, v int) { u = y; v = x; return; } func control_structs() { var p *Point = new(Point).Initialize(2, 3); i := p.Distance(); var f float = 0.3; for {} for {}; for j := 0; j < i; j++ { if i == 0 { } else i = 0; var x float; } foo: // a label var j int; switch y := 0; true { case i < y: fallthrough; case i < j: case i == 0, i == 1, i == j: i++; i++; goto foo; default: i = -+-+i; break; } } func main() { }