diff options
Diffstat (limited to 'system')
| -rw-r--r-- | system/doc/design_principles/statem.xml | 2 | ||||
| -rw-r--r-- | system/doc/reference_manual/expressions.xml | 11 |
2 files changed, 11 insertions, 2 deletions
diff --git a/system/doc/design_principles/statem.xml b/system/doc/design_principles/statem.xml index b63327291d..aea623851a 100644 --- a/system/doc/design_principles/statem.xml +++ b/system/doc/design_principles/statem.xml @@ -755,7 +755,7 @@ stop() -> Suppose that we do not want a button to lock the door, instead we want to ignore button events in the <c>open</c> state. Then we start a timer when entering the <c>open</c> state - and waits for it to expire while ignoring button events: + and wait for it to expire while ignoring button events: </p> <code type="erl"><![CDATA[ ... diff --git a/system/doc/reference_manual/expressions.xml b/system/doc/reference_manual/expressions.xml index 355fd3cfef..1a3d19aed1 100644 --- a/system/doc/reference_manual/expressions.xml +++ b/system/doc/reference_manual/expressions.xml @@ -1541,7 +1541,16 @@ end</pre> <pre> 1> <input>[X*2 || X <- [1,2,3]].</input> [2,4,6]</pre> - <p>More examples are provoded in + <p>When there are no generators or bit string generators, a list comprehension + returns either a list with one element (the result of evaluating <c>Expr</c>) + if all filters are true or an empty list otherwise.</p> + <p><em>Example:</em></p> + <pre> +1> <input>[2 || is_integer(2)].</input> +[2] +2> <input>[x || is_integer(x)].</input> +[]</pre> + <p>More examples are provided in <seealso marker="doc/programming_examples:list_comprehensions"> Programming Examples.</seealso></p> |