Add Rust hello world, remove weird python based print snippet

UltiSnips/rust.snippets

@@ -1,3 +1,14 @@
+snippet helloworld "Hello world example" b
+// @name main
+// @return
+// @brief Hello world example.
+// @param
+fn main() {
+	println!("Hello World!");
+}
+$0
+endsnippet
+
 snippet fn "function declaration" i
 // @name $1
 // @return $3
@@ -13,13 +24,6 @@ else:
 $0
 endsnippet
 
-snippet doxygen "Doxygen comment" b
-// @name ${1:name}
-// @return ${2:Return type}
-// @param ${3:Parameter}
-// @brief ${4:Description}
-endsnippet
-
 snippet struct "struct declaration"
 // $1
 // ${2:Description}
@@ -50,39 +54,6 @@ while $1 {
 } $0
 endsnippet
 
-global !p
-import re
-def create_parameter_placeholders(snip):
-	placeholders_amount = int(snip.buffer[snip.line].strip())
-
-	snip.buffer[snip.line] = ''
-
-	anon_snippet_body = 'println!("' + '{}'.join(['$' + str(i+1) for i in range(placeholders_amount)]) + f"${placeholders_amount}" + '"'
-
-	if placeholders_amount > 0:
-		anon_snippet_body = anon_snippet_body + ', '
-
-	anon_snippet_body = anon_snippet_body + ', '.join(['$' + str(i+1) for i in range(placeholders_amount, 2*placeholders_amount)]) + ");"
-
-	snip.expand_anon(anon_snippet_body)
-endglobal
-
-post_jump "create_parameter_placeholders(snip)"
-snippet "print\d+" "println" rA
-`!p snip.rv = match.group(1)`
-endsnippet
-
 snippet println "println" A
 println!("$1");$0
 endsnippet
-
-snippet docstring "Document head" b
-/*
-* Filename:    `!p snip.rv = fn`
-* Author:      ${1:Yannick Reiss}
-* Project:     ${2:Project Name}
-* Copyright:   ${3:None}       =>  You • 9 months ago • Move of Snippets into repository
-* Description: ${4:Funny module}
-*
-*/$0
-endsnippet