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#                            Rust Snippets                            #
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priority -50

snippet let "let variable declaration" b
let ${1:name}${2:: ${3:type}} = $4;
endsnippet

snippet letm "let mut variable declaration" b
let mut ${1:name}${2:: ${3:type}} = $4;
endsnippet

snippet fn "A function, optionally with arguments and return type."
fn ${1:function_name}($2)${3/..*/ -> /}$3 {
	${VISUAL}$0
}
endsnippet

snippet pfn "A public function, optionally with arguments and return type."
pub fn ${1:function_name}($2)${3/..*/ -> /}$3 {
	${VISUAL}$0
}
endsnippet

snippet arg "Function Arguments" i
${1:a}: ${2:T}${3:, arg}
endsnippet

snippet || "Closure, anonymous function (inline)" i
${1:move }|$2| { $3 }
endsnippet

snippet |} "Closure, anonymous function (block)" i
${1:move }|$2| {
	$3
}
endsnippet

snippet pri "print!(..)" b
print!("$1"${2/..*/, /}$2);
endsnippet

snippet pln "println!(..)" b
println!("$1"${2/..*/, /}$2);
endsnippet

snippet fmt "format!(..)"
format!("$1"${2/..*/, /}$2);
endsnippet

snippet macro "macro_rules!" b
macro_rules! ${1:name} {
	(${2:matcher}) => (
		$3
	)
}
endsnippet

snippet mod "A module" b
mod ${1:`!p snip.rv = snip.basename.lower() or "name"`} {
	${VISUAL}$0
}
endsnippet

snippet for "for .. in .." b
for ${1:i} in $2 {
	${VISUAL}$0
}
endsnippet

snippet todo "A Todo comment"
// [TODO]: ${1:Description} - `!v strftime("%Y-%m-%d %I:%M%P")`
endsnippet

snippet st "Struct" b
struct ${1:`!p snip.rv = snip.basename.title() or "Name"`} {
	${VISUAL}$0
}
endsnippet

# TODO: fancy dynamic field mirroring like Python slotclass
snippet stn "Struct with new constructor." b
pub struct ${1:`!p snip.rv = snip.basename.title() or "Name"`} {
	fd$0
}

impl $1 {
	pub fn new($2) -> $1 {
		$1 { $3 }
	}
}
endsnippet

snippet fd "Struct field definition" w
${1:name}: ${2:Type},
endsnippet

snippet impl "Struct/Trait implementation" b
impl ${1:Type/Trait}${2: for ${3:Type}} {
	$0
}
endsnippet

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