qbit/go
1
0
Fork 0
mirror of https://github.com/golang/go synced 2024-11-22 00:34:40 -07:00
Code Releases Activity

- removed duplicate definition of StringLit

Browse Source 
- fixed nonsense sentence in numeric basic type section
- hlinted

R=r,rsc
DELTA=50  (10 added, 22 deleted, 18 changed)
OCL=30484
CL=30490
This commit is contained in:
Robert Griesemer 2009-06-18 13:29:40 -07:00
parent 5d2ee9d90a
commit cfe9211753
1 changed files with 22 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

56
doc/go_spec.html
View File

@ -374,7 +374,12 @@ the two bytes <code>0xc3 0xbf</code> of the UTF-8 encoding of character
U+00FF.
</p>
<p>
A sequence of string literals is concatenated to form a single string.
</p>
<pre class="grammar">
StringLit = string_lit { string_lit } .
string_lit = raw_string_lit | interpreted_string_lit .
raw_string_lit = "`" { unicode_char } "`" .
interpreted_string_lit = """ { unicode_value | byte_value } """ .
@ -383,13 +388,14 @@ interpreted_string_lit = """ { unicode_value | byte_value } """ .
<pre>
`abc`
`\n`
"hello, world\n"
"\n"
""
"Hello, world!\n"
"日本語"
"\u65e5本\U00008a9e"
"\xff\u00FF"
"Alea iacta est."
"Alea " /* The die */ `iacta est` /* is cast */ "." // same as "Alea iacta est."
</pre>
<p>
@ -505,16 +511,14 @@ as the two's complement of its absolute value.
</p>
<p>
There is also a set of architecture-independent basic numeric types
whose size depends on the architecture:
There is also a set of numeric types with implementation-specific sizes:
</p>
<pre class="grammar">
uint at least 32 bits, at most the size of the largest uint type
int at least 32 bits, at most the size of the largest int type
float at least 32 bits, at most the size of the largest float type
uintptr smallest uint type large enough to store the uninterpreted
bits of a pointer value
uint either 32 or 64 bits
int either 32 or 64 bits
float either 32 or 64 bits
uintptr an unsigned integer large enough to store the uninterpreted bits of a pointer value
</pre>
<p>
@ -546,21 +550,12 @@ The elements of strings have type <code>byte</code> and may be
accessed using the usual indexing operations (§Indexes). It is
illegal to take the address of such an element, that is, even if
<code>s[i]</code> is the <code>i</code><sup>th</sup> byte of a
string, <code>&amp;s[i]</code> is invalid. The length of a string
can be computed by the function <code>len(s1)</code>.
string, <code>&amp;s[i]</code> is invalid. The length of string
<code>s</code> can be discovered using the built-in function
<code>len(s)</code>. It is a compile-time constant if <code>s</code>
is a string literal.
</p>
<p>
A sequence of string literals is concatenated into a single string.
</p>
<pre class="grammar">
StringLit = string_lit { string_lit } .
</pre>
<pre>
"Alea iacta est."
"Alea " /* The die */ `iacta est` /* is cast */ "."
</pre>
<h3>Array types</h3>
@ -627,15 +622,8 @@ the length of the slice and the length of the array beyond the slice;
a slice of length up to that capacity can be created by `slicing' a new
one from the original slice (§Slices).
The capacity of a slice <code>a</code> can be discovered using the
built-in function
</p>
<pre>
cap(s)
</pre>
<p>
and the relationship between <code>len()</code> and <code>cap()</code> is:
built-in function <code>cap(a)</code> and the relationship between
<code>len()</code> and <code>cap()</code> is:
</p>
<pre>
@ -1753,7 +1741,6 @@ Operands denote the elementary values in an expression.
Operand = Literal | QualifiedIdent | "(" Expression ")" .
Literal = BasicLit | CompositeLit | FunctionLit .
BasicLit = int_lit | float_lit | char_lit | StringLit .
StringLit = string_lit { string_lit } .
</pre>
@ -1836,6 +1823,7 @@ constant key value.
<p>
For struct literals the following rules apply:
</p>
<ul>
<li>A literal which does not contain any keys must
list an element for each struct field in the
@ -1854,7 +1842,6 @@ For struct literals the following rules apply:
field of a struct belonging to a different package.
</li>
</ul>
</p>
<p>
Given the declarations
@ -1873,7 +1860,9 @@ origin := Point{}; // zero value for Point
line := Line{origin, Point{y: -4, z: 12.3}}; // zero value for line.q.x
</pre>
<p>For array and slice literals the following rules apply:
<p>
For array and slice literals the following rules apply:
</p>
<ul>
<li>Each element has an associated integer index marking
its position in the array.
@ -1885,7 +1874,6 @@ line := Line{origin, Point{y: -4, z: 12.3}}; // zero value for line.q.x
If the first element has no key, its index is zero.
</li>
</ul>
</p>
<p>
Taking the address of a composite literal (§Address operators)