lean2/tests/lean/438.lean
Leonardo de Moura b254c78c44 refactor(library/algebra): move bundled structures to separate module
Motivation: performance.
After this commit, the bundled instances do not participate in the
class/instance resolution if we do not import algebra.bundled.
2015-03-02 18:45:08 -08:00

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188 B
Text

import algebra.bundled
open algebra
attribute Group.struct [coercion]
section
parameters {P₀ : Type} [P : group P₀]
include P
structure lambda_morphism := (comm : _ = _)
end