Function makeGuard

repos/effect/packages/effect/src/SchemaAST.ts:77–79

(tag: T)

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).
 *
 * **Details**