Name Rascal/Expressions/Values/Map/Composition

Synopsis Composition of two map values.

Syntax Exp1 o Exp2

Types

Exp1	Exp2	Exp1 o Exp2
map[T1, T2]	map[T2, T3]	map[T1, T3]

Description Returns the composition of two maps.

Examples

rascal>import Map;
ok
rascal>("one" : 1, "two" : 2) o (1 : 10, 2 : 20);
map[str, int]: ("one":10,"two":20)

Pitfalls We use the letter o as operator and this may conflict other defined names.

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