docs: godoc

Signed-off-by: Carlos Alexandro Becker <caarlos0@gmail.com>
caarlos0 · Aug 30, 2021 · 33962e3 · 33962e3
1 parent ac4c4be
commit 33962e3
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/env.go b/env.go
@@ -95,6 +95,7 @@ var (
 // ParserFunc defines the signature of a function that can be used within `CustomParsers`.
 type ParserFunc func(v string) (interface{}, error)
 
+// OnSetFn is a hook that can be run when a value is set.
 type OnSetFn func(tag string, value interface{}, isDefault bool)
 
 // Options for the parser.