diff options
Diffstat (limited to 'system/doc/reference_manual')
| -rw-r--r-- | system/doc/reference_manual/expressions.xml | 12 | ||||
| -rw-r--r-- | system/doc/reference_manual/processes.xml | 4 | ||||
| -rw-r--r-- | system/doc/reference_manual/typespec.xml | 11 |
3 files changed, 18 insertions, 9 deletions
diff --git a/system/doc/reference_manual/expressions.xml b/system/doc/reference_manual/expressions.xml index 668a51d6bc..893398b71b 100644 --- a/system/doc/reference_manual/expressions.xml +++ b/system/doc/reference_manual/expressions.xml @@ -568,10 +568,14 @@ Expr1 <input>op</input> Expr2</pre> <p>The arguments can be of different data types. The following order is defined:</p> <pre> -number < atom < reference < fun < port < pid < tuple < list < bit string</pre> +number < atom < reference < fun < port < pid < tuple < map < nil < list < bit string</pre> <p>Lists are compared element by element. Tuples are ordered by size, two tuples with the same size are compared element by element.</p> + <p>Maps are ordered by size, two maps with the same size are compared by keys in + ascending term order and then by values in key order. + In maps key order integers types are considered less than floats types. + </p> <p>When comparing an integer to a float, the term with the lesser precision is converted into the type of the other term, unless the operator is one of <c>=:=</c> or <c>=/=</c>. A float is more precise than @@ -591,7 +595,11 @@ true 2> <input>1=:=1.0.</input> false 3> <input>1 > a.</input> -false</pre> +false +4> <input>#{c => 3} > #{a => 1, b => 2}.</input> +false +4> <input>#{a => 1, b => 2} == #{a => 1.0, b => 2.0}.</input> +true</pre> </section> <section> diff --git a/system/doc/reference_manual/processes.xml b/system/doc/reference_manual/processes.xml index 6755bd8be6..f656d0318e 100644 --- a/system/doc/reference_manual/processes.xml +++ b/system/doc/reference_manual/processes.xml @@ -100,11 +100,9 @@ spawn(Module, Name, Args) -> pid() <item><c>exit(Reason)</c></item> <item><c>erlang:error(Reason)</c></item> <item><c>erlang:error(Reason, Args)</c></item> - <item><c>erlang:fault(Reason)</c></item> - <item><c>erlang:fault(Reason, Args)</c></item> </list> <p>The process then terminates with reason <c>Reason</c> for - <c>exit/1</c> or <c>{Reason,Stack} for the others</c>.</p> + <c>exit/1</c> or <c>{Reason,Stack}</c> for the others.</p> <p>A process can also be terminated if it receives an exit signal with another exit reason than <c>normal</c>, see <seealso marker="#errors">Error Handling</seealso>.</p> diff --git a/system/doc/reference_manual/typespec.xml b/system/doc/reference_manual/typespec.xml index 7891f3a6b9..22627058c1 100644 --- a/system/doc/reference_manual/typespec.xml +++ b/system/doc/reference_manual/typespec.xml @@ -197,6 +197,9 @@ <cell><c>char()</c></cell><cell><c>0..16#10ffff</c></cell> </row> <row> + <cell><c>nil()</c></cell><cell><c>[]</c></cell> + </row> + <row> <cell><c>number()</c></cell><cell><c>integer() | float()</c></cell> </row> <row> @@ -312,7 +315,7 @@ <p> As seen, the basic syntax of a type is an atom followed by closed parentheses. New types are declared using <c>-type</c> and <c>-opaque</c> - compiler attributes as in the following: + attributes as in the following: </p> <pre> -type my_struct_type() :: Type. @@ -435,8 +438,8 @@ <section> <title>Specifications for Functions</title> <p> - A specification (or contract) for a function is given using the new - compiler attribute <c>-spec</c>. The general format is as follows: + A specification (or contract) for a function is given using the + <c>-spec</c> attribute. The general format is as follows: </p> <pre> -spec Module:Function(ArgType1, ..., ArgTypeN) -> ReturnType.</pre> @@ -451,7 +454,7 @@ explicitly) import these functions. </p> <p> - Within a given module, the following shorthand suffice in most cases: + Within a given module, the following shorthand suffices in most cases: </p> <pre> -spec Function(ArgType1, ..., ArgTypeN) -> ReturnType.</pre> |