diff --git a/src/simulator/machine.rs b/src/simulator/machine.rs
index 48ff028..9aeadef 100644
--- a/src/simulator/machine.rs
+++ b/src/simulator/machine.rs
@@ -149,7 +149,7 @@ impl Machine {
 	/// ### Parameters
 	/// 
 	///  - **machine** contains the memory
-	pub fn extract_memory(machine: &mut Machine){
+	pub fn _extract_memory(machine: &mut Machine){
 		let file_path = "burritos_memory.txt";
 		let write_to_file = |path| -> std::io::Result<File> {
 			let mut file = File::create(path)?;
@@ -221,8 +221,8 @@ impl Machine {
 			panic!("ERROR : number max of instructions rushed");
 		}
 		let mut val: [u8; 4] = [0; 4];
-		for i in 0..4 {
-			val[i] = machine.main_memory[machine.pc as usize + i];
+		for (i, mut _item) in val.iter_mut().enumerate() {
+			_item = &mut machine.main_memory[machine.pc as usize + i];
 		}
 
 		let val = u32::from_be_bytes(val) as u64;
@@ -345,7 +345,7 @@ impl Machine {
 						machine.int_reg.set_reg(inst.rd as usize, machine.int_reg.get_reg(inst.rs1 as usize) + inst.imm12_I_signed as i64);
 					},
 					RISCV_OPI_SLTI => {
-						machine.int_reg.set_reg(inst.rd as usize, if machine.int_reg.get_reg(inst.rs1 as usize) < inst.imm12_I_signed as i64 { 1 } else { 0 } );
+						machine.int_reg.set_reg(inst.rd as usize, (machine.int_reg.get_reg(inst.rs1 as usize) < inst.imm12_I_signed as i64) as i64);
 					},
 					RISCV_OPI_XORI => {
 						machine.int_reg.set_reg(inst.rd as usize, machine.int_reg.get_reg(inst.rs1 as usize) ^ inst.imm12_I_signed as i64);
@@ -465,12 +465,11 @@ impl Machine {
 						machine.int_reg.set_reg(inst.rd as usize, result);
 					},
 					RISCV_OPIW_SRW => {
-						let result;
-						if inst.funct7 == RISCV_OPIW_SRW_SRLIW {
-							result = (local_data >> inst.shamt) & machine.shiftmask[32 + inst.shamt as usize] as i64;
+						let result = if inst.funct7 == RISCV_OPIW_SRW_SRLIW {
+							(local_data >> inst.shamt) & machine.shiftmask[32 + inst.shamt as usize] as i64
 						} else { // SRAIW
-							result = local_data >> inst.shamt;
-						}
+							local_data >> inst.shamt
+						};
 						machine.int_reg.set_reg(inst.rd as usize, result);
 					},
 					_ => {
@@ -627,13 +626,13 @@ impl Machine {
 					RISCV_FP_FCMP => {
 						match inst.funct3 {
 							RISCV_FP_FCMP_FEQ => {
-								machine.int_reg.set_reg(inst.rd as usize, if machine.fp_reg.get_reg(inst.rs1 as usize) == machine.fp_reg.get_reg(inst.rs2 as usize) {1} else {0});
+								machine.int_reg.set_reg(inst.rd as usize, (machine.fp_reg.get_reg(inst.rs1 as usize) == machine.fp_reg.get_reg(inst.rs2 as usize)) as i64);
 							},
 							RISCV_FP_FCMP_FLT => {
-								machine.int_reg.set_reg(inst.rd as usize, if machine.fp_reg.get_reg(inst.rs1 as usize) < machine.fp_reg.get_reg(inst.rs2 as usize) {1} else {0});
+								machine.int_reg.set_reg(inst.rd as usize, (machine.fp_reg.get_reg(inst.rs1 as usize) < machine.fp_reg.get_reg(inst.rs2 as usize)) as i64);
 							},
 							RISCV_FP_FCMP_FLE => {
-								machine.int_reg.set_reg(inst.rd as usize, if machine.fp_reg.get_reg(inst.rs1 as usize) <= machine.fp_reg.get_reg(inst.rs2 as usize) {1} else {0});
+								machine.int_reg.set_reg(inst.rd as usize, (machine.fp_reg.get_reg(inst.rs1 as usize) <= machine.fp_reg.get_reg(inst.rs2 as usize)) as i64);
 							},
 							_ => {
 								panic!("this instruction ({}) doesn't exists", inst.value);
@@ -653,14 +652,14 @@ impl Machine {
 			_ => { panic!("{:x} opcode non géré pc : {:x}", inst.opcode, machine.pc)},
 		}
 
-		return 0;
+		0
 
 	}
 
 	/// print memory FOR DEBUG
 	/// 
 	/// "@"adresse [16 bytes]
-	pub fn print_memory(machine : &mut Machine, from: usize, to: usize) {
+	pub fn _print_memory(machine : &mut Machine, from: usize, to: usize) {
 		for i in from..to {
 			if i%16 == 0 {
 				print!("\n@{:04x} ", i);