You can search for identifiers within the package.
in-package search v0.2.0
type token =
| UNESCAPE_START_AMPERSAND of string list
| UNESCAPE_START of string list
| UNESCAPE_END
| SECTION_START of string list
| SECTION_INVERT_START of string list
| SECTION_END of string list
| RAW of string
| PARTIAL_START of int * string
| ESCAPE_START of string list
| EOF
| END
| COMMENT of string
exception Error
val mustache : (Lexing.lexbuf -> token) -> Lexing.lexbuf -> Mustache_types.Locs.t