Therese Hardin & Mathieu Jaume 
Concepts and Semantics of Programming Languages 1 [PDF ebook] 
A Semantical Approach with OCaml and Python

This book the first of two volumes explores the syntactical constructs
of the most common programming languages, and sheds a
mathematical light on their semantics, while also providing an accurate
presentation of the material aspects that interfere with coding.
Concepts and Semantics of Programming Languages 1 is dedicated to
functional and imperative features. Included is the formal study of the
semantics of typing and execution; their acquisition is facilitated by
implementation into OCaml and Python, as well as by worked examples.
Data representation is considered in detail: endianness, pointers,
memory management, union types and pattern-matching, etc., with
examples in OCaml, C and C++. The second volume introduces a specific
model for studying modular and object features and uses this model to
present Ada and OCaml modules, and subsequently Java, C++, OCaml
and Python classes and objects.
This book is intended not only for computer science students and
teachers but also seasoned programmers, who will find a guide to
reading reference manuals and the foundations of program verification.

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