all: change some function documentation to be more idiomatic

Change-Id: I932de9bb061a8ba3332ef03207983e8b98d6f1e5
Reviewed-on: https://go-review.googlesource.com/c/go/+/187918
Reviewed-by: Brad Fitzpatrick <[email protected]>
Run-TryBot: Brad Fitzpatrick <[email protected]>
TryBot-Result: Gobot Gobot <[email protected]>

src/crypto/rsa/rsa.go

@@ -555,7 +555,7 @@ func decryptAndCheck(random io.Reader, priv *PrivateKey, c *big.Int) (m *big.Int
 }
 
 // DecryptOAEP decrypts ciphertext using RSA-OAEP.
-
+//
 // OAEP is parameterised by a hash function that is used as a random oracle.
 // Encryption and decryption of a given message must use the same hash function
 // and sha256.New() is a reasonable choice.

src/encoding/csv/writer.go

@@ -41,7 +41,7 @@ func NewWriter(w io.Writer) *Writer {
 	}
 }
 
-// Writer writes a single CSV record to w along with any necessary quoting.
+// Write writes a single CSV record to w along with any necessary quoting.
 // A record is a slice of strings with each string being one field.
 // Writes are buffered, so Flush must eventually be called to ensure
 // that the record is written to the underlying io.Writer.

src/expvar/expvar.go

@@ -205,7 +205,7 @@ func (v *Map) AddFloat(key string, delta float64) {
 	}
 }
 
-// Deletes the given key from the map.
+// Delete deletes the given key from the map.
 func (v *Map) Delete(key string) {
 	v.keysMu.Lock()
 	defer v.keysMu.Unlock()

src/go/types/scope.go

@@ -42,7 +42,7 @@ func NewScope(parent *Scope, pos, end token.Pos, comment string) *Scope {
 // Parent returns the scope's containing (parent) scope.
 func (s *Scope) Parent() *Scope { return s.parent }
 
-// Len() returns the number of scope elements.
+// Len returns the number of scope elements.
 func (s *Scope) Len() int { return len(s.elems) }
 
 // Names returns the scope's element names in sorted order.
@@ -57,7 +57,7 @@ func (s *Scope) Names() []string {
 	return names
 }
 
-// NumChildren() returns the number of scopes nested in s.
+// NumChildren returns the number of scopes nested in s.
 func (s *Scope) NumChildren() int { return len(s.children) }
 
 // Child returns the i'th child scope for 0 <= i < NumChildren().

src/go/types/typestring.go

@@ -24,7 +24,7 @@ import (
 //
 type Qualifier func(*Package) string
 
-// RelativeTo(pkg) returns a Qualifier that fully qualifies members of
+// RelativeTo returns a Qualifier that fully qualifies members of
 // all packages other than pkg.
 func RelativeTo(pkg *Package) Qualifier {
 	if pkg == nil {

src/net/mail/message.go

@@ -148,7 +148,7 @@ type Address struct {
 	Address string // user@domain
 }
 
-// Parses a single RFC 5322 address, e.g. "Barry Gibbs <[email protected]>"
+// ParseAddress parses a single RFC 5322 address, e.g. "Barry Gibbs <[email protected]>"
 func ParseAddress(address string) (*Address, error) {
 	return (&addrParser{s: address}).parseSingleAddress()
 }