docs: code example in README simplified

mpusz · mpusz · commit 8e7cd6a94aaf · 2026-03-17T00:13:19.000+01:00
diff --git a/README.md b/README.md
@@ -37,7 +37,7 @@ using namespace mp_units::si::unit_symbols;
 static_assert(1 * km / (1 * s) == 1000 * m / s);
 
 // Function signatures encode domain/physics, not just dimensions
-void calculate_trajectory(QuantityOf<isq::kinetic_energy> auto e);
+void calculate_trajectory(quantity<isq::kinetic_energy[J]> e);
 
 int main()
 {
@@ -50,7 +50,7 @@ int main()
 }
 ```
 
-[![Try it live on Compiler Explorer](https://img.shields.io/badge/Try_live_on-Compiler_Explorer-black?style=for-the-badge&logo=compilerexplorer&labelColor=black&color=67C52A)](https://godbolt.org/z/dccffde1v)
+[![Try it live on Compiler Explorer](https://img.shields.io/badge/Try_live_on-Compiler_Explorer-black?style=for-the-badge&logo=compilerexplorer&labelColor=black&color=67C52A)](https://godbolt.org/z/YWErT7ofs)
 
 ### What Sets mp-units Apart?
 

Original file line number	Diff line number	Diff line change
`@@ -37,7 +37,7 @@ using namespace mp_units::si::unit_symbols;`
`37`	`37`	`static_assert(1 * km / (1 * s) == 1000 * m / s);`
`38`	`38`
`39`	`39`	`// Function signatures encode domain/physics, not just dimensions`
`40`		`-void calculate_trajectory(QuantityOf<isq::kinetic_energy> auto e);`
	`40`	`+void calculate_trajectory(quantity<isq::kinetic_energy[J]> e);`
`41`	`41`
`42`	`42`	`int main()`
`43`	`43`	`{`
`@@ -50,7 +50,7 @@ int main()`
`50`	`50`	`}`
`51`	`51`	```
`52`	`52`
`53`		`-[![Try it live on Compiler Explorer](https://img.shields.io/badge/Try_live_on-Compiler_Explorer-black?style=for-the-badge&logo=compilerexplorer&labelColor=black&color=67C52A)](https://godbolt.org/z/dccffde1v)`
	`53`	`+[![Try it live on Compiler Explorer](https://img.shields.io/badge/Try_live_on-Compiler_Explorer-black?style=for-the-badge&logo=compilerexplorer&labelColor=black&color=67C52A)](https://godbolt.org/z/YWErT7ofs)`
`54`	`54`
`55`	`55`	`### What Sets mp-units Apart?`
`56`	`56`