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Theorem option.map_some

Modification history

2020-12-02 21:21
src/data/option/basic.lean
feat(data/option/basic): map_map functor-like lemmas (#5030) …
Modified option.map_someView on Github →
2018-07-21 12:10
data/option.lean
fix(data/option): fix universe levels in option.map_some etc.
Modified option.map_someView on Github →
2018-04-16 19:39
data/option.lean
feat(data/option): more option stuff
Modified option.map_someView on Github →
2017-10-24 22:31
data/option.lean
feat(data/num,data/nat/cast,...): nat,num,int,rat.cast, list stuff
Added option.map_someView on Github →