diff --git a/Cargo.lock b/Cargo.lock
index 696b033..81a1aff 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -54,6 +54,12 @@ dependencies = [
  "bitflags",
 ]
 
+[[package]]
+name = "convert_case"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6245d59a3e82a7fc217c5828a6692dbc6dfb63a0c8c90495621f7b9d79704a0e"
+
 [[package]]
 name = "deranged"
 version = "0.3.11"
@@ -63,6 +69,19 @@ dependencies = [
  "powerfmt",
 ]
 
+[[package]]
+name = "derive_more"
+version = "0.99.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4fb810d30a7c1953f91334de7244731fc3f3c10d7fe163338a35b9f640960321"
+dependencies = [
+ "convert_case",
+ "proc-macro2",
+ "quote",
+ "rustc_version 0.4.0",
+ "syn 1.0.107",
+]
+
 [[package]]
 name = "gethostname"
 version = "0.2.3"
@@ -208,7 +227,7 @@ checksum = "f842b1982eb6c2fe34036a4fbfb06dd185a3f5c8edfaacdf7d1ea10b07de6252"
 dependencies = [
  "lock_api",
  "parking_lot_core",
- "rustc_version",
+ "rustc_version 0.2.3",
 ]
 
 [[package]]
@@ -221,7 +240,7 @@ dependencies = [
  "cloudabi",
  "libc",
  "redox_syscall",
- "rustc_version",
+ "rustc_version 0.2.3",
  "smallvec 0.6.14",
  "winapi",
 ]
@@ -292,7 +311,16 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
 dependencies = [
- "semver",
+ "semver 0.9.0",
+]
+
+[[package]]
+name = "rustc_version"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bfa0f585226d2e68097d4f95d113b15b83a82e819ab25717ec0590d9584ef366"
+dependencies = [
+ "semver 1.0.23",
 ]
 
 [[package]]
@@ -316,6 +344,12 @@ dependencies = [
  "semver-parser",
 ]
 
+[[package]]
+name = "semver"
+version = "1.0.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "61697e0a1c7e512e84a621326239844a24d8207b4669b41bc18b32ea5cbf988b"
+
 [[package]]
 name = "semver-parser"
 version = "0.7.0"
@@ -382,6 +416,7 @@ name = "star-kirby-lang"
 version = "0.1.1"
 dependencies = [
  "anyhow",
+ "derive_more",
  "global",
  "lazy_static",
  "nom",
diff --git a/Cargo.toml b/Cargo.toml
index c7998fd..2efa7d1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,3 +26,4 @@ tracing-subscriber = { version = "0.3.18", features = [
 ] }
 tracing-bunyan-formatter = "0.3.9"
 tracing-log = "0.2.0"
+derive_more = "0.99.17"
diff --git a/src/ast/expression/mod.rs b/src/ast/expression/mod.rs
index f2807f3..88c803e 100644
--- a/src/ast/expression/mod.rs
+++ b/src/ast/expression/mod.rs
@@ -11,6 +11,7 @@ use crate::ast::expression::prefix::Prefix;
 use crate::ast::expression::string::StringLiteral;
 use crate::ast::Identifier;
 use crate::ast::NodeInterface;
+use derive_more::From;
 use std::fmt::{Display, Formatter};
 
 pub mod array;
@@ -25,7 +26,7 @@ pub mod integer;
 pub mod prefix;
 pub mod string;
 
-#[derive(Debug, Clone, Hash, Eq, PartialEq, Ord, PartialOrd)]
+#[derive(Debug, Clone, Hash, Eq, PartialEq, Ord, PartialOrd, From)]
 pub enum Expression {
     Prefix(Prefix),
     Infix(Infix),
@@ -78,75 +79,3 @@ impl NodeInterface for Expression {
         }
     }
 }
-
-impl From<Prefix> for Expression {
-    fn from(value: Prefix) -> Self {
-        Self::Prefix(value)
-    }
-}
-
-impl From<IntegerLiteral> for Expression {
-    fn from(value: IntegerLiteral) -> Self {
-        Self::IntegerLiteral(value)
-    }
-}
-
-impl From<Identifier> for Expression {
-    fn from(value: Identifier) -> Self {
-        Self::Identifier(value)
-    }
-}
-
-impl From<Infix> for Expression {
-    fn from(value: Infix) -> Self {
-        Self::Infix(value)
-    }
-}
-
-impl From<Boolean> for Expression {
-    fn from(value: Boolean) -> Self {
-        Self::Boolean(value)
-    }
-}
-
-impl From<If> for Expression {
-    fn from(value: If) -> Self {
-        Self::If(value)
-    }
-}
-
-impl From<FunctionLiteral> for Expression {
-    fn from(value: FunctionLiteral) -> Self {
-        Self::FunctionLiteral(value)
-    }
-}
-
-impl From<Call> for Expression {
-    fn from(value: Call) -> Self {
-        Self::Call(value)
-    }
-}
-
-impl From<StringLiteral> for Expression {
-    fn from(value: StringLiteral) -> Self {
-        Self::StringLiteral(value)
-    }
-}
-
-impl From<ArrayLiteral> for Expression {
-    fn from(value: ArrayLiteral) -> Self {
-        Self::ArrayLiteral(value)
-    }
-}
-
-impl From<Index> for Expression {
-    fn from(value: Index) -> Self {
-        Self::Index(value)
-    }
-}
-
-impl From<HashLiteral> for Expression {
-    fn from(value: HashLiteral) -> Self {
-        Self::HashLiteral(value)
-    }
-}