MLton comes with the following ML Basis files available.

$(SML_LIB)/basis/basis.mlb

The Basis Library.

$(SML_LIB)/basis/basis-1997.mlb

The (deprecated) 1997 version of the Basis Library.

$(SML_LIB)/basis/mlton.mlb

The MLton structure and signatures.

$(SML_LIB)/basis/sml-nj.mlb

The SMLofNJ structure and signature.

$(SML_LIB)/basis/unsafe.mlb

The Unsafe structure and signature.

$(SML_LIB)/mlyacc-lib/mlyacc-lib.mlb

Modules used by parsers built with MLYacc.

$(SML_LIB)/cml/cml.mlb

ConcurrentML, a library for message-passing concurrency.

$(SML_LIB)/mlnlffi-lib/mlnlffi-lib.mlb

ML-NLFFI, a library for foreign function interfaces.

$(SML_LIB)/smlnj-lib/...

SMLNJLibrary, a collection of libraries distributed with SML/NJ.

$(SML_LIB)/ckit-lib/ckit-lib.mlb

CKitLibrary, a library for C source code.

Basis fragments

There are a number of specialized ML Basis files for importing fragments of the Basis Library that can not be expressed within SML.

$(SML_LIB)/basis/pervasive-types.mlb

The top-level types and constructors] of the Basis Library.

$(SML_LIB)/basis/pervasive-exns.mlb

The top-level exception constructors of the Basis Library.

$(SML_LIB)/basis/pervasive-vals.mlb

The top-level values of the Basis Library, without infix status.

$(SML_LIB)/basis/overloads.mlb

The top-level overloaded values of the Basis Library, without infix status.

$(SML_LIB)/basis/equal.mlb

The polymorphic equality = and inequality <> values, without infix status.

$(SML_LIB)/basis/infixes.mlb

The infix declarations of the Basis Library.

$(SML_LIB)/basis/pervasive.mlb

The entire top-level value and type environment of the Basis Library, with infix status. This is the same as importing the above six MLB files.