diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/sphinx/addendum/type-classes.rst | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/doc/sphinx/addendum/type-classes.rst b/doc/sphinx/addendum/type-classes.rst index 6c7258f9c..68b5b9d6f 100644 --- a/doc/sphinx/addendum/type-classes.rst +++ b/doc/sphinx/addendum/type-classes.rst @@ -296,6 +296,10 @@ Variants: This variant declares a class a posteriori from a constant or inductive definition. No methods or instances are defined. + .. warn:: @ident is already declared as a typeclass + + This command has no effect when used on a typeclass. + .. cmd:: Instance @ident {? @binders} : Class t1 … tn [| priority] := { field1 := b1 ; …; fieldi := bi } The :cmd:`Instance` command is used to declare a type class instance named |