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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libgo/go/container/vector/defs.go | |
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Diffstat (limited to 'libgo/go/container/vector/defs.go')
-rw-r--r-- | libgo/go/container/vector/defs.go | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/libgo/go/container/vector/defs.go b/libgo/go/container/vector/defs.go new file mode 100644 index 000000000..a2febb6de --- /dev/null +++ b/libgo/go/container/vector/defs.go @@ -0,0 +1,51 @@ +// 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. + +// The vector package implements containers for managing sequences +// of elements. Vectors grow and shrink dynamically as necessary. +package vector + + +// Vector is a container for numbered sequences of elements of type interface{}. +// A vector's length and capacity adjusts automatically as necessary. +// The zero value for Vector is an empty vector ready to use. +type Vector []interface{} + + +// IntVector is a container for numbered sequences of elements of type int. +// A vector's length and capacity adjusts automatically as necessary. +// The zero value for IntVector is an empty vector ready to use. +type IntVector []int + + +// StringVector is a container for numbered sequences of elements of type string. +// A vector's length and capacity adjusts automatically as necessary. +// The zero value for StringVector is an empty vector ready to use. +type StringVector []string + + +// Initial underlying array size +const initialSize = 8 + + +// Partial sort.Interface support + +// LessInterface provides partial support of the sort.Interface. +type LessInterface interface { + Less(y interface{}) bool +} + + +// Less returns a boolean denoting whether the i'th element is less than the j'th element. +func (p *Vector) Less(i, j int) bool { return (*p)[i].(LessInterface).Less((*p)[j]) } + + +// sort.Interface support + +// Less returns a boolean denoting whether the i'th element is less than the j'th element. +func (p *IntVector) Less(i, j int) bool { return (*p)[i] < (*p)[j] } + + +// Less returns a boolean denoting whether the i'th element is less than the j'th element. +func (p *StringVector) Less(i, j int) bool { return (*p)[i] < (*p)[j] } |