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Syntax & Values

Int and Float values String and Char values Booleans Tuples Records Record update syntax Lists Function application Pipeline operator |> Function composition >>

Functions & Local Logic

Named functions Anonymous functions let expressions if expressions case expressions Pattern matching tuples Pattern matching records Guards with if inside branches Partial application Recursive functions

Custom Types

type alias Custom union types Constructors with payloads Maybe Result Nested pattern matching Wildcard patterns as patterns Recursive custom types Opaque module types

Lists & Collections

List.map List.filter List.foldl List.foldr List.concatMap List.head List.range List.sortBy Dict.insert and get Set operations

JSON & Data Conversion

Json.Decode.string Json.Decode.field Json.Decode.map2 Json.Decode.list Json.Decode.oneOf Json.Decode.nullable Json.Encode.object Json.Encode.list String.toInt String.fromInt

Elm Architecture

Model Msg init update view Cmd.none Cmd.map Sub.none subscriptions Browser.sandbox

HTML & Events

Html.text Html.div Html.button Html.input Html.Attributes.class Html.Attributes.value Html.Events.onClick Html.Events.onInput Form state Conditional rendering

Browser Effects

Browser.element Browser.document Browser.application Http.get Http.expectJson Time.every Random.generate Url.fromString Navigation.pushUrl Ports

Elm Complete Course / Syntax & Values

String and Char values

Learn String and Char values in Elm with a construct-specific explanation, a unique example, a practical boundary, and a mastery check.

10 min read • Beginner

String and Char values is an atomic Elm topic inside Syntax & Values. The example below uses the actual construct named by the lesson rather than a generic placeholder.

Focus on what String and Char values changes: the input, binding, control path, object state, collection, runtime effect, or language contract. Then alter one value and verify that the behavior changes for a reason specific to this feature.

Topic-specific example

elm-01-02-string-and-char-values.elm

elm Try It Live

label = "Elm"
initial = 'E'

Edge case / engineering note

Test boundary input such as empty text, unexpected encoding, or malformed structured data so parsing assumptions are explicit.

Content source & attribution

Original Syntaxis Content · Original Syntaxis Content

Lesson quizzes

String and Char values Mastery Check →

Int and Float values