key in map(key a, name of map b)


Checks if the key in parameter a exists in the named map with name b. If that is the case, true is returned, otherwise false.

Description of Parameters

Parameter

Description

a

Key value.

b

Name of map.

Examples

Defined is a map MyMap with the values {key1=Value, key2=val1;val2}.

Parameter a

Parameter b

Result

key1

MyMap

true

key

MyMap

false

key1

MyOtherMap

false