diff --git a/lib/src/fnc/cast.rs b/lib/src/fnc/cast.rs
index 4a3b8b11..d8322799 100644
--- a/lib/src/fnc/cast.rs
+++ b/lib/src/fnc/cast.rs
@@ -3,70 +3,70 @@ use crate::err::Error;
 use crate::sql::number::Number;
 use crate::sql::value::Value;
 
-pub fn run(ctx: &Context, name: &str, val: Value) -> Result<Value, Error> {
+pub fn run(_: &Context, name: &str, val: Value) -> Result<Value, Error> {
 	match name {
-		"bool" => bool(ctx, val),
-		"int" => int(ctx, val),
-		"float" => float(ctx, val),
-		"string" => string(ctx, val),
-		"number" => number(ctx, val),
-		"decimal" => decimal(ctx, val),
-		"datetime" => datetime(ctx, val),
-		"duration" => duration(ctx, val),
+		"bool" => bool(val),
+		"int" => int(val),
+		"float" => float(val),
+		"string" => string(val),
+		"number" => number(val),
+		"decimal" => decimal(val),
+		"datetime" => datetime(val),
+		"duration" => duration(val),
 		_ => Ok(val),
 	}
 }
 
-pub fn bool(_: &Context, val: Value) -> Result<Value, Error> {
+pub fn bool(val: Value) -> Result<Value, Error> {
 	match val.is_truthy() {
 		true => Ok(Value::True),
 		false => Ok(Value::False),
 	}
 }
 
-pub fn int(_: &Context, val: Value) -> Result<Value, Error> {
+pub fn int(val: Value) -> Result<Value, Error> {
 	match val {
 		Value::Number(Number::Int(_)) => Ok(val),
 		_ => Ok(Value::Number(Number::Int(val.as_int()))),
 	}
 }
 
-pub fn float(_: &Context, val: Value) -> Result<Value, Error> {
+pub fn float(val: Value) -> Result<Value, Error> {
 	match val {
 		Value::Number(Number::Float(_)) => Ok(val),
 		_ => Ok(Value::Number(Number::Float(val.as_float()))),
 	}
 }
 
-pub fn number(_: &Context, val: Value) -> Result<Value, Error> {
+pub fn number(val: Value) -> Result<Value, Error> {
 	match val {
 		Value::Number(Number::Decimal(_)) => Ok(val),
 		_ => Ok(Value::Number(Number::Decimal(val.as_decimal()))),
 	}
 }
 
-pub fn decimal(_: &Context, val: Value) -> Result<Value, Error> {
+pub fn decimal(val: Value) -> Result<Value, Error> {
 	match val {
 		Value::Number(Number::Decimal(_)) => Ok(val),
 		_ => Ok(Value::Number(Number::Decimal(val.as_decimal()))),
 	}
 }
 
-pub fn string(_: &Context, val: Value) -> Result<Value, Error> {
+pub fn string(val: Value) -> Result<Value, Error> {
 	match val {
 		Value::Strand(_) => Ok(val),
 		_ => Ok(Value::Strand(val.as_strand())),
 	}
 }
 
-pub fn datetime(_: &Context, val: Value) -> Result<Value, Error> {
+pub fn datetime(val: Value) -> Result<Value, Error> {
 	match val {
 		Value::Datetime(_) => Ok(val),
 		_ => Ok(Value::Datetime(val.as_datetime())),
 	}
 }
 
-pub fn duration(_: &Context, val: Value) -> Result<Value, Error> {
+pub fn duration(val: Value) -> Result<Value, Error> {
 	match val {
 		Value::Duration(_) => Ok(val),
 		_ => Ok(Value::Duration(val.as_duration())),