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Version: 11.x

Function: map()

map<TValueBefore, TError, TValueAfter>(project): OperatorFunction< TValueBefore, TError, TValueAfter, TError >

Type parameters​

Parameter
TValueBefore
TError
TValueAfter

Parameters​

ParameterType
project(value, index) => TValueAfter

Returns​

OperatorFunction< TValueBefore, TError, TValueAfter, TError >

Source​

packages/core/dist/observable/operators.d.ts:2

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