Programming Language
Reason Appeared 2016
General-purpose, high-level, multi-paradigm programming language and syntax extension for OCaml, created by Jordan Walke at Facebook. It focuses on functional and object-oriented programming features and compiles to native code via OCaml's compiler, as well as to JavaScript using a ReScript compiler.
Trends languish rank #245 languish — 36 periods, 2016Q2 to 2025Q2 2016Q2 2025Q2
Influence graph Influence graph for Reason: 32 influencing languages, 3 family links C++ influenced Ada Eiffel influenced Ada Pascal influenced Ada C influenced AWK sed influenced AWK Fortran influenced BASIC Fortran influenced C Ada influenced C++ APL influenced C++ C influenced C++ F# influenced C++ C influenced C# C++ influenced C# Eiffel influenced C# F# influenced C# Haskell influenced C# Java influenced C# Pascal influenced C# Scala influenced C# Haskell influenced Clean Haskell influenced CoffeeScript JavaScript influenced CoffeeScript Perl influenced CoffeeScript Python influenced CoffeeScript Ruby influenced CoffeeScript Ada influenced Eiffel Lisp influenced Erlang C# influenced F# Erlang influenced F# Haskell influenced F# OCaml influenced F# Python influenced F# Scala influenced F# Standard ML influenced F# Clean influenced Haskell Lisp influenced Haskell R5RS influenced Haskell Raku influenced Haskell Scheme influenced Haskell Standard ML influenced Haskell C++ influenced Java AWK influenced JavaScript C influenced JavaScript Java influenced JavaScript Lisp influenced JavaScript Lua influenced JavaScript MoonScript influenced JavaScript Perl influenced JavaScript Python influenced JavaScript R5RS influenced JavaScript Scheme influenced JavaScript Self influenced JavaScript AWK influenced Lua C influenced Lua C++ influenced Lua Lisp influenced Lua R5RS influenced Lua Scheme influenced Lua Self influenced Lua C++ influenced MoonScript CoffeeScript influenced MoonScript Lua influenced MoonScript Scheme influenced MoonScript C influenced OCaml Pascal influenced OCaml Standard ML influenced OCaml AWK influenced Perl BASIC influenced Perl C influenced Perl C++ influenced Perl Lisp influenced Perl Raku influenced Perl sed influenced Perl Ada influenced Python APL influenced Python C influenced Python C++ influenced Python Haskell influenced Python Lisp influenced Python Perl influenced Python R5RS influenced Python Scheme influenced Python Standard ML influenced Python Lisp influenced R5RS Haskell influenced Raku JavaScript influenced Raku Perl influenced Raku Ruby influenced Raku JavaScript influenced Reason OCaml influenced Reason BASIC influenced Ruby C++ influenced Ruby Eiffel influenced Ruby Lisp influenced Ruby Lua influenced Ruby MoonScript influenced Ruby Perl influenced Ruby Python influenced Ruby R5RS influenced Ruby Scheme influenced Ruby Smalltalk influenced Ruby Eiffel influenced Scala Erlang influenced Scala F# influenced Scala Haskell influenced Scala Lisp influenced Scala OCaml influenced Scala R5RS influenced Scala Scheme influenced Scala Standard ML influenced Scala Lisp influenced Scheme APL influenced Self Pascal influenced Standard ML Reason compiles to JavaScript Reason compiles to OCaml Reason is a dialect of OCaml Fortran sed C BASIC Pascal Eiffel Lisp AWK Ada APL Perl Standard ML R5RS Scheme Self Python CoffeeScript Lua MoonScript Smalltalk Ruby Clean Raku Haskell Erlang OCaml Scala C# F# C++ Java JavaScript Reason Solid arrows: influence, oldest at the top. Dashed: compiles to / is a dialect of / implements. 