Module _text 

Symbolic sequences, encodings, and text processing.
text::{ascii, fmt, layout, parse, str, unicode} ▽

All text module’s items flat re-exported.

Macros

formatalloc

🖹 🏗️ alloc Creates a String using interpolation of runtime expressions.

format_args

🖹 core Constructs parameters for the other string-formatting macros.

format_buf

🖹 Returns a formatted str slice backed by a buffer, non-allocating.

scalar_offset

🏗️ 𝐓 Defines a compact Unicode scalar type backed by an integer offset.

write

🖹 core Writes formatted data into a buffer.

writeln

🖹 core Writes formatted data into a buffer, with a newline appended.

Structs

Ascii

⌗ 𝐓 🛠️ ASCII code-space constants, digit conversions, and lookup data.

AsciiSet

𝐓 ⊆ A finite set of ASCII characters.

ByteSearch

𝐓 ::= 🛠️ A utility struct for searching bytes in slices.

CStr

𝐓 🍃 core Representation of a borrowed C string (See CString).

CStringalloc

𝐓 alloc An owned, C-compatible, nul-terminated string with no nul bytes in the middle.

Char

𝐓 🛠️ Unicode scalars-related low-level const operations.

CharIter

𝐓 🔄 An iterator over Unicode scalars.

DebugList

🖹 🐛 core A struct to help with Debug implementations.

DebugMap

🖹 🐛 core A struct to help with Debug implementations.

DebugSet

🖹 🐛 core A struct to help with Debug implementations.

DebugStruct

🖹 🐛 core A struct to help with Debug implementations.

DebugTuple

🖹 🐛 core A struct to help with Debug implementations.

DebugWith

🖹 🐛 A Debug adapter for formatting a value with a DebugExt context.

Digits

𝐓 ⅀ 🛠️ Provides ASCII digit operations and conversions for unsigned integer primitives.

Fmt

𝐓 🛠️ A string formatting namespace.

FmtArguments

🖹 core Represents a safely precompiled version of a format string and its arguments.

FmtError

🖹 🚩 core The error type which is returned from formatting a message into a stream.

FmtFromFn

🖹 core Implements Debug and Display via the provided closure.

FmtNum

🖹 ⅀ 🏚️ Const number formatter.

FmtNumConf

🖹 ⅀ Configuration for numeric formatting.

FmtNumGroup

🖹 ⅀ Numeric digit grouping configuration.

FmtNumShape

🖹 ⅀ Describes the structural shape of a formatted number.

FmtWriter

🖹 A specialized formatter with a fixed byte buffer and truncation detection.

Formatter

🖹 core Configuration for formatting.

FromUtf8Erroralloc

𝐓 🚩 alloc A possible error value when converting a String from a UTF-8 byte vector.

GraphemeItergrapheme

𝐓 🔄 Owns grapheme segmentation state while scanning a string slice.

GraphemeMachinegrapheme

𝐓 Streaming EGC boundary detector. Streaming grapheme cluster boundary detector.

GraphemeNonNulgrapheme

𝐓 An EGC backed by a StringNonNul.

GraphemePropsgrapheme

𝐓 Combined EGC break properties for a single code point.

GraphemeScannergrapheme

𝐓 🔄 Borrows grapheme segmentation state while scanning a string slice.

GraphemeStringalloc and grapheme

𝐓 An EGC backed by a String.

GraphemeU8grapheme

𝐓 An EGC backed by a StringU8.

OsStrstd

𝐓 🍃 🖥️ std Borrowed reference to an OS string (See OsString).

OsStringstd

𝐓 🖥️ std A type for owned, mutable native strings, interconvertible with Rust strings.

ParseFloatError

𝐓 ::= ⅀ 🚩 core An error which can be returned when parsing an float.

ParseIntError

𝐓 ::= ⅀ 🚩 core An error which can be returned when parsing an integer.

Str

🧶 🛠️ A string slice namespace.

StrBuf

🧶 A borrowed UTF-8 string buffer over caller-provided bytes.

Stringalloc

𝐓 alloc A UTF-8–encoded, growable string.

StringNonNul

🧶 A null-terminated UTF-8 string with up to u8::MAX bytes capacity.

StringSmallAllocalloc

🧶 A UTF-8 string with inline storage and heap spillover.

StringU8

🧶 A UTF-8 string with fixed capacity that stores length explicitly.

TextCursor

𝐓 Continuation point within a caller-defined text traversal.

TextIndex

𝐓 🧱 Position within a caller-defined text-oriented sequence.

TextLayout

𝐓 🧱 🛠️ Text layout engine configuration.

TextLayoutSpan

𝐓 🧱 📏 Mapping between a contiguous text range and its consumed inline space.

TextLayoutStep

𝐓 🧱 ⚖️ Result of a single text layout step.

TextLine

𝐓 🧱 A wrapped visual text line.

TextLineIter

𝐓 🧱 🔄 Iterates fixed-width inline layout steps over a symbol stream.

TextParseError

𝐓 ::= 🚩 A text parsing failure paired with its cursor location.

TextRange

𝐓 📏 A half-open range within a caller-defined text-oriented sequence.

TextScanner

𝐓 ::= A byte-position scanner over source text.

TextSegment

𝐓 🧱 A semantic text segment used for wrapping.

TextSymbol

𝐓 🧱 🔌 Layout participation record for a single text symbol.

TextSymbolConfig

𝐓 🧱 Policy bundle for deriving layout symbols from text.

TextWrapIter

𝐓 🧱 🔄 Iterates wrapped visual lines over text segments.

Textel

𝐓 🧱 🗃️ A discrete textual element for cell-like lines, grids, or canvases.

Translit

𝐓 🛠️ Lossy text transliteration utilities.

char7

𝐓 A 7-bit Unicode scalar, limited to basic latin subset (ASCII).

char8

𝐓 An 8-bit Unicode scalar, limited to basic latin and latin-1 subsets.

char16

𝐓 A 16-bit Unicode scalar, limited to the Basic Multilingual Plane subset.

charu

𝐓 A 32-bit Unicode scalar, with UTF-8 representation.

charu_niche

𝐓 A 32-bit Unicode scalar, with UTF-8 representation, and niche-memory optimization.

Enums

CharAscii

𝐓 One of 128 Unicode characters (U+0000 to U+007F), the ASCII subset.

FmtAlignment

🖹 core Possible alignments returned by Formatter::align.

FmtNumSign

🖹 ⅀ Controls how the sign of a number is formatted.

GraphemeBoundarygrapheme

𝐓 Indicates how to handle a code point when detecting grapheme cluster boundaries.

GraphemeKindgrapheme

𝐓 The kinds of supported graphemes.

GraphemePropCbgrapheme

𝐓 EGC property values from Unicode Standard Annex #29.

GraphemePropInCbgrapheme

𝐓 Break property for Indic scripts that prevents splitting within orthographic syllables.

ParseIntErrorKind

𝐓 ::= ⅀ 🚩 core Kinds of errors that can cause parsing an integer to fail.

TextBreakKind

𝐓 🧱 Reason why a wrapped text line ended.

TextBreakMode

𝐓 🧱 Boundary policy for deriving layout symbols from text.

TextCohesion

𝐓 🧱 Spatial cohesion rules for a text symbol during layout.

TextElideMode

𝐓 🧱 Elision policy for derived layout symbols.

TextFit

𝐓 🧱 ⚖️ Result of testing whether text fits within an inline extent.

TextParseErrorKind

𝐓 ::= 🚩 The category of a text parsing failure.

TextSegmentKind

𝐓 🧱 Segment behavior during text wrapping.

TextelWidth

𝐓 🧱 📏 Cell-like inline extent occupied by a textel.

TextelWidthMode

𝐓 🧱 Width policy for deriving textel inline extent.

Traits

Binary

🖹 ⅀ core b formatting.

Debug

🖹 🐛 core ? formatting. (Derivable)

DebugExt

🖹 🐛 Extension for contextual debugging.

Display

🖹 core Format trait for an empty format, {}.

FmtWrite

🖹 core Writing or formatting into Unicode-accepting buffers or streams.

FromStr

𝐓 🍃 core Parse a value from a string.

Graphemegrapheme

𝐓 Common trait for EGC types.

LowerExp

🖹 ⅀ core e formatting.

LowerHex

🖹 ⅀ core x formatting.

Octal

🖹 ⅀ core o formatting.

Pointer

🖹 core p formatting.

StrExt

🧶 Extension trait providing additional methods for &str.

StringExtalloc

🧶 Extension trait providing additional methods for String.

ToStringalloc

𝐓 💱 alloc A trait for converting a value to a String.

UnicodeScalar

𝐓 Common trait for Unicode scalar types.

UpperExp

🖹 ⅀ core E formatting.

UpperHex

🖹 ⅀ core X formatting.

Type Aliases

FmtResult

🖹 ⚖️ The type returned by formatter methods.

TextUnit

𝐓 Basic text-domain unit.

char

⚙️ 𝐓 core A 32-bit Unicode scalar.

Derive Macros

Debug

🖹 🐛 core ? formatting. (Derivable)