examples,tools: cleanup most warnings

cmd/tools/modules/vgit/vgit.v

@@ -27,7 +27,7 @@ pub fn validate_commit_exists(commit string) {
 	if commit.len == 0 {
 		return
 	}
-	cmd := "git cat-file -t \'$commit\' "
+	cmd := "git cat-file -t '$commit' "
 	if !scripting.exit_0_status(cmd) {
 		eprintln('Commit: "$commit" does not exist in the current repository.')
 		exit(3)

cmd/tools/vcomplete.v

@@ -259,7 +259,7 @@ compdef _v v
 			mut lines := []string{}
 			list := auto_complete_request(sub_args[1..])
 			for entry in list {
-				lines << "COMPREPLY+=(\'$entry\')"
+				lines << "COMPREPLY+=('$entry')"
 			}
 			println(lines.join('\n'))
 		}
@@ -281,7 +281,7 @@ compdef _v v
 			mut lines := []string{}
 			list := auto_complete_request(sub_args[1..])
 			for entry in list {
-				lines << 'compadd -U -S \"\" -- \'$entry\';'
+				lines << "compadd -U -S \"\" -- '$entry';"
 			}
 			println(lines.join('\n'))
 		}

examples/hanoi.v

@@ -8,7 +8,7 @@ fn main() {
 }
 
 fn move(n int, a string, b string) int {
-	println('Disc $n from $a to $b\...')
+	println('Disc $n from $a to ${b}...')
 	return 0
 }
 

examples/net_raw_http.v

@@ -1,6 +1,5 @@
 // Simple raw HTTP head request
 import net
-import time
 import io
 
 // Make a new connection