-- https://github.com/purescript/documentation/blob/master/language/Syntax.md
-- Syntax is whitespace sensitive. The general rule of thumb is that declarations which span multiple lines should be indented past the column on which they were first defined on their subsequent lines.
foo = bar +
bazclass Person
|string| nameexample
title Tree Notationdefine pythtree ax:real ay:real bx:real by:real depth:int do
cx = ax-ay+by
end* A link to PLDB
https://pldb.comdefun message msg
do print : Here's a message
print msg
print : End of message. print
+ 1 2
, 11Languages with Semantic Indentation include Python, Haskell, CoffeeScript, F#, YAML, Elm, Markdown, Literate CoffeeScript, Nim, Pug, PureScript, HAML, Org, Occam, Makefile, Nemerle, Boo, Sass, Inform, Cython, reStructuredText, LiveScript, wisp, Speedie, Miranda, Genie, ABC, Stylus, Imba, Argdown, Curry, beads-lang, Spin, Aldor, Cobra, Tree Notation, XL, mckeeman-form, SCSS, bog, Quaint, Sheep, Cyber, Scroll, ISWIM, Marp, PROMAL, I-expressions, p4p, Z, Cirru, Note, BuddyScript, net-format, ELFE, TQL, Ohayo, Truth, Space, YAMP, bml, Sweet Expressions, Indental, CSL, Ordered graph data language, Mathpix Markdown, converge, MADCAP VI, MADCAP
Languages without Semantic Indentation include Java, JavaScript, C, SQL, HTML, C++, XML, PHP, Perl, Ruby, MATLAB, C#, Fortran, MySQL, R, JSON, Go, COBOL, CSS, Swift, Scala, Ada, Rust, PostgreSQL, Kotlin, PowerShell, Pascal, TypeScript, ARM, Lua, Julia, SAS, Clojure, Prolog, Bash, Objective-C, Mathematica, Elixir, Visual Basic, Erlang, CUDA, Scheme, Dart, Modula-2, Solidity, Tcl, Regular Expressions, ActionScript, Verilog, Reason, BASIC, Crystal, awk, Delphi, Maple, Eiffel, OCaml, Modula-3, Racket, Yacc, Smalltalk, D, Sage, Groovy, GraphQL, Common Lisp, LaTeX, VHDL, APL, Smali, Nginx, OpenCL, LLVM IR, SPSS, XQuery, Visual Basic .NET, PostScript, Chapel, Red, Haxe, Rexx, ANTLR, LFE, fish, PureBasic, Forth, Lasso, Applescript, VBScript, Oz, Idris, Tex, SVG, Oberon, CIL, V, ABAP, Simula, Protocol Buffers, AMPL, PicoLisp, Logo, FLUX, Standard ML, Processing, BCPL, Dylan, Hack, PL/SQL, REBOL, Nearley, MoonScript, Squirrel, DOT, Terra, idyll, Jison, Monkey, Fantom, Ballerina, Limbo, Frege, Agda, EuLisp, ColdFusion, x86 Assembly, TOML, MUMPS, J, AutoIt, Hy, GNU Octave, NewLisp, Emacs Lisp, Zephir, Flow, X10, Vala, Icon, Turing, Scilab, QML, PostCSS, Nextflow, Mercury, PL/I, Click, EDN, Io, xBase, Opa, IDL, Ceylon, JSON5, Java Bytecode, NetLogo, Clean, SystemVerilog, CLIPS, Stata, HCL, Object Pascal, SuperCollider, Factor, Ini, ALGOL 60, Bison, API Blueprint, AGC, SNOBOL, odin, POV-Ray SDL, Wren, Pike, Isabelle, Dafny, TLA, Self, MiniD, C3, ATS, S-algol, eC, Embedded Crystal, Dhall, Lex, Csound, B, Perl 6, Alloy, Xojo, PEG.js, Halide, E, Modelica, ECL, AutoHotkey, Objective-J, Clipper, M4, Datalog, Wolfram Language, UrWeb, PowerBuilder, GAP, Gambas, Seed7, YASnippet, Befunge, XS, PRQL, starlark, Classroom Object Oriented Language, Oberon-2, JFlex, Pig Latin, KaTeX, unison, Transact-SQL, AspectJ, XBase++, FreeBASIC, SETL, Maxima, Netwide Assembler, Dc, Falcon, DTrace, Golo, mlir, Croc, Bluespec, LiveCode, Fennel, NSIS, Cue, Ion, WxBasic, Eve, JCL, Augmented Backus-Naur Form, K, Closure Templates, CWL, WDL, SourcePawn, True BASIC, Sather, Koka, datascript, Ragel, Ron, Xtend, CIL, Ren'Py, Java Properties, Ring, Hjson, carp, PARI/GP, XSLT, EBNF, Unicon, Fortress, Mirah, OpenVera, HOPE, Taichi, SIL, Objective C++, Expect, BETA, Action!, Cg, PAWN, Felix, PL/M, LilyPond, progsbase, mgmt, IGOR Pro, UNLAMBDA, Slope, Euphoria, QB64, P4, Jule, JAI, Guile, MQL5, NCAR Command Language, Angelscript, Volt, LPC, Dockerfile, Rust MIR, Filebench WML, Pizza, Bel, KiXtart, JADE, Concise Encoding, blockml, Mu, Yoix, LotusScript, Logica, NetLinx, S3, ThinBasic, Neko, LookML, Lily, Apex, DM, OpenSCAD, Linden Scripting Language, Praat Script, GDScript, ARexx, CLOS, JSONiq, Mask, Eclipse Command Language, ArkScript, ShaderLab, Tea, PIC, SugarSS, Whiley, Not Quite C, FutureBASIC, StarOffice Basic, Fancy, Harbour, carth, Joy, COMPONENT PASCAL, zephyr-asdl, mun-lang, Observable, CartoCSS, Ch, Jasmin, RenderScript, Literate Agda, Refal, storyscript, WebIDL, Game Maker Language, JSON with Comments, Turbo Basic, Edje Data Collection, PowerBASIC, Slice, SimCode, omega, CLIST, OX, Alpine Abuild, BLISS, Vigil, Script.NET, GCC Machine Description, ActiveVFP, spry, Cell, Brightscript, winxed, Spatial, Pan, Strips, MVEL, Cycript, Raku, SMT, Cach茅 Basic, Ezhil, Logtalk, SRecode Template, Fibonacci, Not eXactly C, Mary, MAXScript, Superjson, LoomScript, Creative Basic, Type Language, lispyscript, MOO, Treelang, dex, Opal, Arden syntax, NetRexx, Operational Control Language, VHDL-AMS, Fable, FML, Maya Embedded Language, Logos, Handel-C, neut, HiveQL, NestedText, tht, monte, Guix Workflow Language, S-PLUS, Lingo, Vale, gentee, MACRO-10, KRL, XBLite, Plus, Module Management System, turnstile, OCL, dslx, spiral, Xbasic, Rc, BitBake, Gentoo Ebuild, Rescript, Simple Actor Language System and Architecture, Grammatical Framework, Parser 3, neeilang, hilvl, NS Basic, RELAX NG, Yet Another Scripting Language, Frink, Tuple space, Gherkin, flagship, Nymph, Recfiles, Jsonnet, CIR, Parrot BASIC, Orc, Language Server Index Format, ddfql, HAGGIS, dlvm, PowerQuery M, Ren, Hocon, holyc, silk, txr, Zimpl, manool, Mouse, Claro, Adventure Game Studio Script, C shell, Charity, owen-lang, epsilon, GraphQL Schema Definition Language, popr, kai, JS++, CFScript, ldpl, Project Mentat, Executive Systems Problem Oriented Language, Judoscript, ArchieML, Finite State Language, Soy, StruQL, dedukti, Fj枚lnir, z80, verifpal, Yedalog, Structured Query Reporter, Heron, taf, fizz, OEM, JSL, Lite-C, Cach茅 ObjectScript, Atomese, Manchester syntax, xxl, Reactive Plan Language, tremor-query, blz, rosette-lang, Wart, Action Code Script, XPL0, ISETL, rbs, Pnuts, JCOF, Bla, False, Portable Bit Map Format, CLPR, stella, ca65 Assembly, ctalk-lang, ProbeVue, Plot, Netpbm grayscale image format, OptimJ, ppm-format, wescheme, lain, luau, bioscript, sora, SubX, Oracle Java, Deesel, rbscript, WebAssembly Text Format, Tick C, bawk, cooC, GAEA, ADLIB, Static Typescript, Extended Pascal, Modula-2+, PL/I-FORMAC, Progol
This question asks: Does the language use semantic indentation?
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