Punctuation

# Punctuation

Extended documentation for mathematical symbols & functions is here.

symbolmeaning
`@m`invoke macro `m`; followed by space-separated expressions
`!`prefix "not" operator
`a!( )`at the end of a function name, `!` indicates that a function modifies its argument(s)
`#`begin single line comment
`#=`begin multi-line comment (these are nestable)
`=#`end multi-line comment
`\$`string and expression interpolation
`%`remainder operator
`^`exponent operator
`&`bitwise and
`&&`short-circuiting boolean and
`|`bitwise or
`||`short-circuiting boolean or
`⊻`bitwise xor operator
`*`multiply, or matrix multiply
`()`the empty tuple
`~`bitwise not operator
`\`backslash operator
`'`complex transpose operator Aᴴ
`a[]`array indexing
`[,]`vertical concatenation
`[;]`also vertical concatenation
`[   ]`with space-separated expressions, horizontal concatenation
`T{ }`parametric type instantiation
`;`statement separator
`,`separate function arguments or tuple components
`?`3-argument conditional operator (conditional ? if_true : if_false)
`""`delimit string literals
`''`delimit character literals
`` ``delimit external process (command) specifications
`...`splice arguments into a function call or declare a varargs function or type
`.`access named fields in objects/modules, also prefixes elementwise operator/function calls
`a:b`range a, a+1, a+2, ..., b
`a:s:b`range a, a+s, a+2s, ..., b
`:`index an entire dimension (1:end)
`::`type annotation, depending on context
`:( )`quoted expression
`:a`symbol a
`<:``subtype operator`
`>:``supertype operator` (reverse of subtype operator)
`===``egal comparison operator`