diff --git a/package.json5 b/package.json5
index 0d15af2..b00af7c 100644
--- a/package.json5
+++ b/package.json5
@@ -23,7 +23,7 @@
       url: 'https://code.studioinfinity.org/glen/typocomath.git',
    },
    devDependencies: {
-      '@types/node': '20.6.2',
+      '@types/node': '20.8.0',
       'cpy-cli': '5.0.0',
       'del-cli': '5.1.0',
       mkdirp: '3.0.1',
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index ea413ae..b3f667b 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -6,8 +6,8 @@ settings:
 
 devDependencies:
   '@types/node':
-    specifier: 20.6.2
-    version: 20.6.2
+    specifier: 20.8.0
+    version: 20.8.0
   cpy-cli:
     specifier: 5.0.0
     version: 5.0.0
@@ -79,8 +79,8 @@ packages:
     resolution: {integrity: sha512-jhuKLIRrhvCPLqwPcx6INqmKeiA5EWrsCOPhrlFSrbrmU4ZMPjj5Ul/oLCMDO98XRUIwVm78xICz4EPCektzeQ==}
     dev: true
 
-  /@types/node@20.6.2:
-    resolution: {integrity: sha512-Y+/1vGBHV/cYk6OI1Na/LHzwnlNCAfU3ZNGrc1LdRe/LAIbdDPTTv/HU3M7yXN448aTVDq3eKRm2cg7iKLb8gw==}
+  /@types/node@20.8.0:
+    resolution: {integrity: sha512-LzcWltT83s1bthcvjBmiBvGJiiUe84NWRHkw+ZV6Fr41z2FbIzvc815dk2nQ3RAKMuN2fkenM/z3Xv2QzEpYxQ==}
     dev: true
 
   /@types/normalize-package-data@2.4.1:
diff --git a/src/Complex/arithmetic.ts b/src/Complex/arithmetic.ts
index 4f78bb5..6cc916d 100644
--- a/src/Complex/arithmetic.ts
+++ b/src/Complex/arithmetic.ts
@@ -2,7 +2,7 @@ import {Complex} from './type.js'
 import type {
    Dependencies, Signature, Returns, RealType, AliasOf
 } from '../interfaces/type.js'
-import {$reflect} from '../interfaces/type.js'
+import {$reflecType} from '../interfaces/type.js'
 
 declare module "../interfaces/type" {
    interface Signatures<T> {
@@ -74,7 +74,7 @@ export const divide =
 // and we have to get it straight which operations we need on each type, and
 // in fact, we need `addReal` on both T and Complex<T>, hence the dependency
 // with a custom name, not generated via Dependencies<...>
-export const sqrt = $reflect!('sqrt',
+export const sqrt =
    <T>(dep: Dependencies<'equal' | 'conservativeSqrt' | 'unaryMinus', RealType<T>>
        & Dependencies<'zero' | 'complex', T>
        & Dependencies<'absquare' | 're' | 'divideReal', Complex<T>>
@@ -97,4 +97,5 @@ export const sqrt = $reflect!('sqrt',
       const denomsq = dep.addRR(dep.addRR(myabs, myabs), dep.addRR(r, r))
       const denom = dep.conservativeSqrt(denomsq)
       return dep.divideReal(num, denom)
-   })
+   }
+$reflecType!(sqrt)
diff --git a/src/interfaces/type.ts b/src/interfaces/type.ts
index 2b38374..7e697cc 100644
--- a/src/interfaces/type.ts
+++ b/src/interfaces/type.ts
@@ -87,3 +87,7 @@ export function $reflect<Impl>(name: string, expr: Impl) : Impl & { reflectedTyp
    $$ident!(name).reflectedType = $$typeToString!<Impl>(true, false, true);
    return $$ident!(name)
 }
+
+export function $reflecType<Impl>(expr: Impl) {
+   expr.reflectedType = $$typeToString!<Impl>(true, false, true);
+}
diff --git a/src/numbers/arithmetic.ts b/src/numbers/arithmetic.ts
index 4b4d2cb..ef92bfe 100644
--- a/src/numbers/arithmetic.ts
+++ b/src/numbers/arithmetic.ts
@@ -1,6 +1,6 @@
 import type {configDependency} from '../core/Config.js'
 import type {Dependencies, Signature} from '../interfaces/type.js'
-import { $reflect } from '../interfaces/type.js'
+import { $reflecType } from '../interfaces/type.js'
 
 export const add:        Signature<'add',        number> = (a, b) => a + b
 export const unaryMinus: Signature<'unaryMinus', number> = a => -a
@@ -14,8 +14,9 @@ export const divide:     Signature<'divide',     number> = (a, b) => a / b
 const basicSqrt = (a: number) => isNaN(a) ? NaN : Math.sqrt(a)
 export const conservativeSqrt: Signature<'conservativeSqrt', number> = basicSqrt
 
-export const sqrt = $reflect!('sqrt',
-  (dep: configDependency & Dependencies<'complex', number>): Signature<'sqrt', number> => {
+export const sqrt =
+  (dep: configDependency
+   & Dependencies<'complex', number>): Signature<'sqrt', number> => {
     if (dep.config.predictable || !dep.complex) {
       return basicSqrt
     }
@@ -24,4 +25,5 @@ export const sqrt = $reflect!('sqrt',
       if (a >= 0) return Math.sqrt(a)
       return dep.complex(0, Math.sqrt(unaryMinus(a)))
     }
-  })
+  }
+$reflecType!(sqrt)