CaseyCarter / cmcstl2

An implementation of C++ Extensions for Ranges
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changes istream_view requirements and adds test #261

Closed cjdb closed 5 years ago

cjdb commented 5 years ago

istream_view previously required its type to model Semiregular. This commit weakens the requirement to Movable and adds a test (from range-v3) to prove its correctness.