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builtin: tweak a couple of descriptions.

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R=golang-dev, adg, dsymonds
CC=golang-dev
https://golang.org/cl/4875050
This commit is contained in:
Rob Pike 2011-08-16 15:24:00 +10:00
parent 0310935058
commit 43d6389397
1 changed files with 8 additions and 6 deletions
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14
src/pkg/builtin/builtin.go
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@ -45,18 +45,20 @@ func copy(dst, src []Type) int
// The len built-in function returns the length of v, according to its type:
// Array: the number of elements in v.
// Pointer to array: the number of elements in *v.
// Slice, or map: the number of elements in v. If v is nil, len(v) is zero.
// Pointer to array: the number of elements in *v (even if v is nil).
// Slice, or map: the number of elements in v; if v is nil, len(v) is zero.
// String: the number of bytes in v.
// Channel: the number of elements queued (unread) in the channel buffer.
// If v is nil, len(v) is zero.
// Channel: the number of elements queued (unread) in the channel buffer;
// if v is nil, len(v) is zero.
func len(v Type) int
// The cap built-in function returns the capacity of v, according to its type:
// Array: the number of elements in v (same as len(v)).
// Pointer to array: the number of elements in *v (same as len(v)).
// Slice: the maximum length the slice can reach when resliced.
// Channel: the maximum channel buffer capacity, in units of elements.
// Slice: the maximum length the slice can reach when resliced;
// if v is nil, cap(v) is zero.
// Channel: the channel buffer capacity, in units of elements;
// if v is nil, cap(v) is zero.
func cap(v Type) int
// The make built-in function allocates and initializes an object of type