diff options
Diffstat (limited to 'libgo/go/text/template/doc.go')
| -rw-r--r-- | libgo/go/text/template/doc.go | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/libgo/go/text/template/doc.go b/libgo/go/text/template/doc.go index fe59e3f74e8..d174ebd9cfe 100644 --- a/libgo/go/text/template/doc.go +++ b/libgo/go/text/template/doc.go @@ -20,7 +20,8 @@ The input text for a template is UTF-8-encoded text in any format. "{{" and "}}"; all text outside actions is copied to the output unchanged. Except for raw strings, actions may not span newlines, although comments can. -Once parsed, a template may be executed safely in parallel. +Once parsed, a template may be executed safely in parallel, although if parallel +executions share a Writer the output may be interleaved. Here is a trivial example that prints "17 items are made of wool". @@ -80,14 +81,14 @@ data, defined in detail in the corresponding sections that follow. {{if pipeline}} T1 {{end}} If the value of the pipeline is empty, no output is generated; - otherwise, T1 is executed. The empty values are false, 0, any + otherwise, T1 is executed. The empty values are false, 0, any nil pointer or interface value, and any array, slice, map, or string of length zero. Dot is unaffected. {{if pipeline}} T1 {{else}} T0 {{end}} If the value of the pipeline is empty, T0 is executed; - otherwise, T1 is executed. Dot is unaffected. + otherwise, T1 is executed. Dot is unaffected. {{if pipeline}} T1 {{else if pipeline}} T0 {{end}} To simplify the appearance of if-else chains, the else action @@ -241,19 +242,19 @@ where $variable is the name of the variable. An action that declares a variable produces no output. If a "range" action initializes a variable, the variable is set to the -successive elements of the iteration. Also, a "range" may declare two +successive elements of the iteration. Also, a "range" may declare two variables, separated by a comma: range $index, $element := pipeline in which case $index and $element are set to the successive values of the -array/slice index or map key and element, respectively. Note that if there is +array/slice index or map key and element, respectively. Note that if there is only one variable, it is assigned the element; this is opposite to the convention in Go range clauses. A variable's scope extends to the "end" action of the control structure ("if", "with", or "range") in which it is declared, or to the end of the template if -there is no such control structure. A template invocation does not inherit +there is no such control structure. A template invocation does not inherit variables from the point of its invocation. When execution begins, $ is set to the data argument passed to Execute, that is, @@ -314,7 +315,8 @@ Predefined global functions are named as follows. or the returned error value is non-nil, execution stops. html Returns the escaped HTML equivalent of the textual - representation of its arguments. + representation of its arguments. This function is unavailable + in html/template, with a few exceptions. index Returns the result of indexing its first argument by the following arguments. Thus "index x 1 2 3" is, in Go syntax, @@ -340,6 +342,8 @@ Predefined global functions are named as follows. urlquery Returns the escaped value of the textual representation of its arguments in a form suitable for embedding in a URL query. + This function is unavailable in html/template, with a few + exceptions. The boolean functions take any zero value to be false and a non-zero value to be true. |