nil, unknown type.

IsValidTagKey checks if key of struct tag, like `json:"name,omitempty"`, is valid.

cmd/compile/internal/gc/dump.go.

ParseAstStructTag parses a single struct field tag of AST and returns the set of subTags.

ParseStructTag parses a single struct field tag and returns the set of subTags.

ParseTagOptions splits a struct field's json tag into its name and comma-separated options.

t[i][j][...], t[i] is t's ith field, t[i][j] is t[i]'s jth field.

v[i][j][...], v[i] is v's ith field, v[i][j] is v[i]'s jth field.

walks down v.

Breadth First Search.

Wid First Search.

unsafe.Sizeof(uintptr(0)) but an ideal const, sizeof *void.

A field represents a single field found in a struct.

A field represents a single field found in a struct.

A StructTag is the tag string in a struct field, as reflect.StructTag .

SubStructTag defines a single struct's string literal tag.

TagOptions is the string following a comma in a struct field's "json" tag, or the empty string.