The document lists the introduction years of lambda functions in various programming languages, starting from λ-calculus in 1936 to Rust in 2015. It references Sergei Winitzki's book on functional programming as the data source. The timeline includes languages such as Lisp, Haskell, Python, Java, and Scala.

1. λ-calculus
1936
1940
typed λ-calculus
LISP
1958
1973
StandardML
Scheme
1975
1985
OCaml
Haskell
1990
1991
Oz
R
1993
1994
Python 1.0
Ruby
Mercury
JavaScript
1995
1998
Lua 3.1
Scala
2003
2005
F#
Clojure
C# 3.0
2007
2011
C++ 11
Kotlin
Go
2012
2014
Java 8
Swift
Rust
2015
Year when lambda functions were introduced in various languages
data source: Sergei Winitzki’s book: The Science of Functional Programming: A tutorial, with examples in Scala @philip_schwarzslide by

2. Sergei Winitzki
sergei-winitzki-11a6431