How deeply does Refactoring to Rust cover parsing?

Explains generic target selection and parse-error handling, but stops short of parsing internals.

Parsing

parse is a Rust string operation that converts textual data into a value of an inferred or specified target type.

Parsing converts a string slice into a value of a target type. In an RPN calculator, each non-operator term is parsed as an integer before being pushed onto a stack. section 3.2.3

Parsing RPN numbers

For `3 4 hello`, parsing produces `NUM 3` and `NUM 4`, then returns an error for `hello`; valid numbers can be pushed onto the evaluation stack.

How Refactoring to Rust covers it

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Related concepts

custom keywordimplemented by · A custom keyword is a syntax token declared through syn's custom_keyword macro that implements parsing and lookahead support for a DSL-specific keyword.
projectional editingcontrasts with · A language-editing technique that manipulates and presents a structured language model directly rather than parsing text into that model.
regular expressionused by · A formal pattern notation that describes sets of strings and enables text to be matched, searched, extracted, or transformed.
abstract syntax treeproduces · An abstract syntax tree is a hierarchical tree representation of the syntactic structure of parsed source code or other language input, typically omitting superficial formatting details.
newlineuses · A newline is a character or character sequence that marks the boundary between consecutive lines of text.
or combinatorused by · The or combinator runs a second parser when the first parser fails without consuming committed input, and otherwise returns the first parser's result.

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