Function makeGuard

packages/effect/src/SchemaAST.ts:76–78

(tag: T)

  | Suspend

function makeGuard<T extends AST["_tag"]>(tag: T) {
  return (ast: AST): ast is Extract<AST, { _tag: T }> => ast._tag === tag
}

/**
 * Returns `true` if the value is an {@link AST} node (any variant).