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author | Rob Pike <r@golang.org> | 2009-11-20 15:47:15 -0800 |
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committer | Rob Pike <r@golang.org> | 2009-11-20 15:47:15 -0800 |
commit | da3ae8661a33a1b8367b4d954aa04dfa8aa220ac (patch) | |
tree | 7e036209a976a363e4f732a5ae949eae477538d7 | |
parent | 17dc6451cd896dac0a91367e976e1a94af9a5e20 (diff) | |
download | golang-da3ae8661a33a1b8367b4d954aa04dfa8aa220ac.tar.gz |
mention arrays of arrays and slices of slices
Fixes issue 113.
R=gri, rsc
CC=golang-dev
http://codereview.appspot.com/159049
-rw-r--r-- | doc/go_spec.html | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/doc/go_spec.html b/doc/go_spec.html index 5eaeea04b..8a247461d 100644 --- a/doc/go_spec.html +++ b/doc/go_spec.html @@ -607,12 +607,16 @@ integer value. The length of array <code>a</code> can be discovered using the built-in function <code>len(a)</code>, which is a compile-time constant. The elements can be indexed by integer indices 0 through the <code>len(a)-1</code> (ยง<a href="#Indexes">Indexes</a>). +Array types are always one-dimensional but may be composed to form +multi-dimensional types. </p> <pre> [32]byte [2*N] struct { x, y int32 } [1000]*float64 +[3][5]int +[2][2][2]float64 // same as [2]([2]([2]float64)) </pre> <h3 id="Slice_types">Slice types</h3> @@ -690,6 +694,13 @@ make([]int, 50, 100) new([100]int)[0:50] </pre> +<p> +Like arrays, slices are always one-dimensional but may be composed to construct +higher-dimensional objects. +With arrays of arrays, the inner arrays are, by construction, always the same length; +however with slices of slices (or arrays of slices), the lengths may vary dynamically. +Moreover, the inner slices must be allocated individually (with <code>make</code>). +</p> <h3 id="Struct_types">Struct types</h3> |