readOne

Reads exactly one element from an input stream.

Either!(T, "element", StreamError, "error")

readOne

(

S

T = StreamType!S

)

(

ref S stream

)

if (

isSomeInputStream!S

)

Parameters

stream S: The stream to read one element from.

Return Value

Type: Either!(T, "element", StreamError, "error")

Either the element, or an error.

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streams functions functions