chore: please the formatter

src/cron/expression.c.v

@@ -36,6 +36,7 @@ enum ParseError as u8 {
 	too_many_parts = 4
 }
 
+// str returns the string representation of a ParseError.
 fn (e ParseError) str() string {
 	return match e {
 		.ok { '' }

src/cron/expression.v

@@ -2,11 +2,13 @@ module cron
 
 import time
 
+// free the memory associated with the Expression.
 [unsafe]
 pub fn (ce &Expression) free() {
 	C.ce_free(ce)
 }
 
+// parse_expression parses a string into an Expression.
 pub fn parse_expression(exp string) !&Expression {
 	out := C.ce_init()
 	res := C.ce_parse_expression(out, exp.str)
@@ -18,6 +20,8 @@ pub fn parse_expression(exp string) !&Expression {
 	return out
 }
 
+// next calculates the next occurence of the cron schedule, given a reference
+// point.
 pub fn (ce &Expression) next(ref time.Time) time.Time {
 	st := SimpleTime{
 		year: ref.year
@@ -39,6 +43,8 @@ pub fn (ce &Expression) next(ref time.Time) time.Time {
 	})
 }
 
+// next_from_now calculates the next occurence of the cron schedule with the
+// current time as reference.
 pub fn (ce &Expression) next_from_now() time.Time {
 	out := SimpleTime{}
 	C.ce_next_from_now(&out, ce)