feat: add type reflection via ts-macros

src/Complex/all.ts

@@ -1,2 +1,2 @@
-export * as type_data from './type'
-export * as arithmetic_functions from './arithmetic'
+export * as type from './type'
+export * as arithmetic from './arithmetic'

src/Complex/arithmetic.ts

@@ -2,7 +2,7 @@ import {Complex} from './type.js'
 
 import {implementations, commonSpecs} from '@/core/Dispatcher'
 import type {RawDependencies} from '@/core/Dispatcher'
-import {commonSignature, RealType} from '@/interfaces/type'
+import {commonSignature, RealType, $reflect} from '@/interfaces/type'
 import type {CommonSignature, CommonReturn} from '@/interfaces/type'
 
 // Narrowly typed signature selectors, for the operations we need to use
@@ -10,7 +10,7 @@ import type {CommonSignature, CommonReturn} from '@/interfaces/type'
 const add = 'add' as const
 const divide = 'divide' as const
 
-export default function <T>() {
+export function common<T>() {
    const baseSignature = commonSpecs<T>()
    const withComplex
       = <RD extends RawDependencies>(rd: RD) => baseSignature({
@@ -150,3 +150,5 @@ export function mixed<T>() {
       })
       .ship()
 }
+
+$reflect!([common, mixed])

src/Complex/type.ts

@@ -1,5 +1,6 @@
 import {implementations, commonSpecs} from '@/core/Dispatcher'
 import {joinTypes} from '@/core/type'
+import {$reflect} from '@/interfaces/type'
 
 import type {
    CommonInterface, CommonSignature, NaNType, OneType, ZeroType
@@ -50,7 +51,7 @@ export function lift<T>() {
       }).ship()
 }
 
-export default function <T>() {
+export function common<T>() {
    const baseSignature = commonSpecs<T>()
 
    return implementations<CommonSignature<Complex<T>>>()
@@ -69,3 +70,5 @@ export default function <T>() {
       })
       .ship()
 }
+
+$reflect!([common, lift])

src/interfaces/type.ts

@@ -1,3 +1,5 @@
+import {$$typeToString} from 'ts-macros'
+
 import {Configuration} from '@/core/Configuration'
 
 /* First some type utilities: */
@@ -114,3 +116,11 @@ export type Dependency<T, Aux = T> = {
 
 export type Dependencies<T, Names extends SignatureKey<T>, Aux = T> =
     Pick<CommonSignature<T, Aux>, Names>
+
+// Macro for type reflection:
+export function $reflect<ImplTuple>(tup: ImplTuple) {
+   +[[tup], <T>(elt: T) => {
+      (elt as {reflectedType: string}).reflectedType
+        = $$typeToString!<T>(true, false, true);
+   }]
+}

src/numbers/all.ts

@@ -1,2 +1,2 @@
-export * as type_data from './type'
-export * as arithmetic_functions from './arithmetic'
+export * as type from './type'
+export * as arithmetic from './arithmetic'

src/numbers/arithmetic.ts

@@ -1,9 +1,10 @@
 import {implementations} from '@/core/Dispatcher'
+import {$reflect} from '@/interfaces/type'
 import type {CommonSignature} from '@/interfaces/type'
 
 const conservativeSqrt = (a: number) => isNaN(a) ? NaN : Math.sqrt(a)
 
-export default implementations<CommonSignature<number>>()
+export const common = implementations<CommonSignature<number>>()
    .independent({
       add:       (a, b) => a + b,
       unaryMinus: a     => -a,
@@ -24,3 +25,5 @@ export default implementations<CommonSignature<number>>()
          }
       }})
    .ship()
+
+$reflect!([common])

src/numbers/type.ts

@@ -1,5 +1,6 @@
 import type {Complex} from '@/Complex/type'
 import {implementations} from '@/core/Dispatcher'
+import {$reflect} from '@/interfaces/type'
 import type {CommonSignature} from '@/interfaces/type'
 
 export const number_type = {
@@ -22,10 +23,12 @@ declare module "@/interfaces/type" {
    }
 }
 
-export default implementations<CommonSignature<number>>()
+export const common = implementations<CommonSignature<number>>()
    .independent({
       zero: a => 0,
       one: a => 1,
       nan: a => NaN,
       re: a => a
    }).ship()
+
+$reflect!([common])