fix: Improve argument checks and constraints

1 files changed, 9 insertions, 9 deletions

diff --git a/BigInt.h b/BigInt.h
index 89cb3ab..db04c5d 100644
--- a/BigInt.h
+++ b/BigInt.h
@@ -10,7 +10,7 @@ typedef void* BigInt;
 BigInt B_new(MemoryManager *mm, int value);
 BigInt B_newstr(MemoryManager *mm, const char* str);
 BigInt B_newbytes(MemoryManager *mm, usize bytes);
-BigInt B_dup(MemoryManager *mm, BigInt bigint);
+BigInt B_dup(MemoryManager *mm, const BigInt bigint);
 
 BigInt B_newsum(MemoryManager *mm, BigInt a, BigInt b);
 BigInt B_newsub(MemoryManager *mm, BigInt a, BigInt b);
@@ -21,21 +21,21 @@ Result B_free(BigInt *bigint);
 
 /* Modify */
 
-Result B_sum(BigInt *a, BigInt b);
-Result B_sub(BigInt *a, BigInt b);
+Result B_sum(BigInt *a, const BigInt b);
+Result B_sub(BigInt *a, const BigInt b);
 
 Result B_compl(BigInt *x);
-Result B_bitand(BigInt *x, BigInt *y);
-Result B_bitor(BigInt *x, BigInt *y);
-Result B_bitxor(BigInt *x, BigInt *y);
+Result B_bitand(BigInt *x, const BigInt y);
+Result B_bitor(BigInt *x, const BigInt y);
+Result B_bitxor(BigInt *x, const BigInt y);
 Result B_rshift(BigInt *x, usize shift);
 Result B_lshift(BigInt *x, usize shift);
 
 /* Get */
 
-usize B_bytes(BigInt x);
-usize B_bitwidth(BigInt x);
-char* B_tostr(MemoryManager *mm, BigInt x);
+usize B_bytes(const BigInt x);
+usize B_bitwidth(const BigInt x);
+char* B_tostr(MemoryManager *mm, const BigInt x);
 
 int B_eq(const BigInt x, const BigInt y);
 int B_not_eq(const BigInt x, const BigInt y);