How deeply does Learn C++ by Example cover fmt?

Explains installation, placeholders, specifiers, type checking, and alignment, but limits usage to commonly supported features.

Fmt

As explained in Learn C++ by Example

fmt is an open-source C++ formatting library that provides format-string-based text formatting facilities.

fmt is an open-source C++ library for format-string-based text output. It provides a practical alternative when a compiler does not fully support std::format. section 2.2.5

Use fmt to:

Call fmt::format with curly-brace placeholders, ordered arguments, indexes, and specifiers such as d or +d. section 2.2.5

Center-justified triangle output

A triangle-display function combines fmt::format("{: ^{}}, data, 6) with changing row indentation to center each number and produce symmetrical output.

How Learn C++ by Example covers it

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Also explained in

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Go in Action, Second EditionThe fmt package is a Go standard-library package that provides formatted input and output operations.
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Learn Go with Pocket-Sized Projectsfmt is Go's standard library package for formatted I/O operations.

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Related concepts

fmt.Printlnhas part · fmt.Println is a Go standard-library function that writes its arguments separated by spaces and followed by a newline.
import statementused by · An import statement is a source-code declaration that makes names or definitions from another module, package, or namespace available in the current scope.
format methodalternative to · A format method is an API operation that produces a formatted representation by substituting supplied values into a formatting specification.
standard librarykind of · A standard library is a collection of reusable modules, types, functions, APIs, and other facilities distributed with a programming language implementation or platform.
packagekind of · A package is a programming-language namespace and organizational unit that groups related code and may define import, compilation, or access boundaries.

This explainer was generated by Manning's knowledge graph from the text of Learn C++ by Example. The section links point to the parts of the book it draws on.