Mathlib v3 is deprecated. Go to Mathlib v4

Def option.filter

Modification history

2018-12-17 10:50
data/option/basic.lean
fix(*): untangle dependency hierarchy
Modified option.filterView on Github →
2017-10-24 22:31
data/option.lean
feat(data/num,data/nat/cast,...): nat,num,int,rat.cast, list stuff
Modified option.filterView on Github →
2017-10-15 01:58
data/option.lean
feat(*): working on list/basic, robusting simp proofs
Modified option.filterView on Github →
2017-08-24 13:50
data/option.lean
data/option: add filter
Added option.filterView on Github →