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clean up multifile package section.

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remove ASCII digit comment that isn't true.

R=gri
DELTA=41  (1 added, 25 deleted, 15 changed)
OCL=33594
CL=33596
This commit is contained in:
Russ Cox 2009-08-20 10:47:40 -07:00
parent 16b95ba614
commit fe53795422
1 changed files with 14 additions and 38 deletions
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52
doc/go_spec.html
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@ -3791,14 +3791,14 @@ for i := 0; i <= 3; i++ {
<pre class="grammar">
Call Argument type Result
len(s) string, *string string length (in bytes)
len(s) string string length (in bytes)
[n]T, *[n]T array length (== n)
[]T, *[]T slice length
map[K]T, *map[K]T map length
[]T slice length
map[K]T map length
chan T number of elements in channel buffer
cap(s) []T, *[]T capacity of s
map[K]T, *map[K]T capacity of s
cap(s) [n]T, *[n]T array length (== n)
[]T slice capacity
chan T channel buffer capacity
</pre>
@ -3962,6 +3962,7 @@ buffered channels:
<pre>
s := make([]int, 10, 100); # slice with len(s) == 10, cap(s) == 100
s := make([]int, 10); # slice with len(s) == cap(s) == 10
c := make(chan int, 10); # channel with a buffer size of 10
m := make(map[string] int, 100); # map with initial space for 100 elements
</pre>
@ -4060,25 +4061,12 @@ import "lib/math" math.Sin
import . "lib/math" Sin
</pre>
<h3>Multi-file packages</h3>
<h3>Multiple-file packages</h3>
<p>
TODO: Update for whole-package compilation.
</p>
<p>
If a package is constructed from multiple source files, all names
at package-level scope, not just exported names, are visible to all the
files in the package. An import declaration is still necessary to
declare intention to use the names,
but the imported names do not need a qualified identifer to be
accessed.
</p>
<p>
The compilation of a multi-file package may require
that the files be compiled and installed in an order that satisfies
the resolution of names imported within the package.
If a package is constructed from multiple source files,
all names declared in the package block, not just uppercase ones,
are in scope in all the files in the package.
</p>
<p>
@ -4093,19 +4081,9 @@ function Sin(x float) float { return ... }
</pre>
<p>
and file <code>"math2.go"</code> begins
</p>
<pre>
package math
import "lib/math"
</pre>
<p>
then, provided <code>"math1.go"</code> is compiled first and
installed in <code>"lib/math"</code>, <code>math2.go</code>
may refer directly to <code>Sin</code> and <code>twoPi</code>
without a qualified identifier.
then a second file <code>math2.go</code> also in
<code>package math</code>
may refer directly to <code>Sin</code> and <code>twoPi</code>.
</p>
<h3>An example package</h3>
@ -4366,11 +4344,9 @@ The following minimal alignment properties are guaranteed:
<h2><font color=red>Differences between this doc and implementation - TODO</font></h2>
<p>
<font color=red>
Implementation accepts only ASCII digits for digits; doc says Unicode.
<br/>
Implementation does not honor the restriction on goto statements and targets (no intervening declarations).
<br/>
cap() does not work on maps or chans.
cap() does not work on chans.
<br/>
len() does not work on chans.
</font>