{{/* float */}}
{{ $myFloat     :=  42.0      }} {{- $myFloat }}
{{ printf "%+v (T:%T #v:%#v)" $myFloat $myFloat $myFloat }}
{{ $myFloat     := -24.1      }} {{- $myFloat }}
{{ $myFloat     :=  4321.1    }} {{- $myFloat }}  {{/* not ok: 4_321 */}}
{{ printf "%+v (T:%T #v:%#v)" $myFloat $myFloat $myFloat }}
{{ $myFloat     :=  1234.56e3 }} {{- $myFloat }}  {{/* not ok: 4_321 */}}
{{ printf "%+v (T:%T #v:%#v)" $myFloat $myFloat $myFloat }}

42
42 (T:float64 #v:42)
-24.1
4321.1  
4321.1 (T:float64 #v:4321.1)
1.23456e+06  
1.23456e+06 (T:float64 #v:1.23456e+06)