Fixed support for no-std

Author: LucaCappelletti94

src/ast/table_constraints/check_constraint.rs

@@ -21,6 +21,9 @@ use crate::ast::{Expr, Ident};
 use crate::tokenizer::Span;
 use core::fmt;
 
+#[cfg(not(feature = "std"))]
+use alloc::boxed::Box;
+
 #[cfg(feature = "serde")]
 use serde::{Deserialize, Serialize};
 

src/ast/table_constraints/foreign_key_constraint.rs

@@ -23,6 +23,9 @@ use crate::ast::{
 use crate::tokenizer::Span;
 use core::fmt;
 
+#[cfg(not(feature = "std"))]
+use alloc::vec::Vec;
+
 #[cfg(feature = "serde")]
 use serde::{Deserialize, Serialize};
 

src/ast/table_constraints/full_text_or_spatial_constraint.rs

@@ -21,6 +21,9 @@ use crate::ast::{Ident, IndexColumn, KeyOrIndexDisplay};
 use crate::tokenizer::Span;
 use core::fmt;
 
+#[cfg(not(feature = "std"))]
+use alloc::vec::Vec;
+
 #[cfg(feature = "serde")]
 use serde::{Deserialize, Serialize};
 

src/ast/table_constraints/index_constraint.rs

@@ -21,6 +21,9 @@ use crate::ast::{display_comma_separated, Ident, IndexColumn, IndexOption, Index
 use crate::tokenizer::Span;
 use core::fmt;
 
+#[cfg(not(feature = "std"))]
+use alloc::vec::Vec;
+
 #[cfg(feature = "serde")]
 use serde::{Deserialize, Serialize};
 

src/ast/table_constraints/primary_key_constraint.rs

@@ -24,6 +24,9 @@ use crate::ast::{
 use crate::tokenizer::Span;
 use core::fmt;
 
+#[cfg(not(feature = "std"))]
+use alloc::vec::Vec;
+
 #[cfg(feature = "serde")]
 use serde::{Deserialize, Serialize};
 

src/ast/table_constraints/unique_constraint.rs

@@ -24,6 +24,9 @@ use crate::ast::{
 use crate::tokenizer::Span;
 use core::fmt;
 
+#[cfg(not(feature = "std"))]
+use alloc::vec::Vec;
+
 #[cfg(feature = "serde")]
 use serde::{Deserialize, Serialize};