Follow JuliaFormatter conventions

src/execution.jl

@@ -385,8 +385,8 @@ end
 Substitute symbols in `expr` using substitutions in `old_new`.
 """
 substitute_syms(ex, _...) = ex
-substitute_syms(ex::Symbol, old_new::Dict{Symbol, Symbol}) = get(old_new, ex, ex)
-function substitute_syms(ex::Expr, old_new::Dict{Symbol, Symbol})
+substitute_syms(ex::Symbol, old_new::Dict{Symbol,Symbol}) = get(old_new, ex, ex)
+function substitute_syms(ex::Expr, old_new::Dict{Symbol,Symbol})
     if ex.head !== :quote
         return Expr(ex.head, map(x -> substitute_syms(x, old_new), ex.args)...)
     else
@@ -536,7 +536,9 @@ function generate_benchmark_definition(
     eval_module, out_vars, setup_vars, quote_vars, quote_vals, core, setup, teardown, params
 )
     @nospecialize
-    normalize_syms = Dict{Symbol, Symbol}(map(((i, var),) -> var => Symbol(:__normal_sym__, i), enumerate(quote_vars)))
+    normalize_syms = Dict{Symbol,Symbol}(
+        map(((i, var),) -> var => Symbol(:__normal_sym__, i), enumerate(quote_vars))
+    )
     #We cache the generated benchmark function to avoid recompiling it every time.
     #We use several keys to cache the generated benchmark function.
     #Because out_vars and setup_vars are derived from core and setup, we do not
@@ -548,7 +550,7 @@ function generate_benchmark_definition(
         substitute_syms(core, normalize_syms),
         substitute_syms(setup, normalize_syms),
         substitute_syms(teardown, normalize_syms),
-        length(quote_vars)
+        length(quote_vars),
     ]
     samplefunc = get!(cache, samplefunc_key) do
         corefunc = gensym("core")
@@ -624,7 +626,7 @@ function generate_benchmark_definition(
             end,
         )
     end
-    Benchmark(samplefunc, quote_vals, params)
+    return Benchmark(samplefunc, quote_vals, params)
 end
 
 ######################